https://groups.yahoo.com/neo/groups/Hyacinthos/conversations/messages/24377 Let ABC be a triangle, P a point and A'B'C' the pedal triangle of P. Denote: A", B", C" = the reflections of A', B', C' in the Euler line, resp. Na, Nb, Nc = the NPC centers of A"B'C', B"C'A', C"A'B', resp. The locus of P such that Na, Nb, Nc are collinear is the cubic K187 of the catalogue of Bernard Gibert (locus of foci of inscribed conics centered on the Euler line) and a circum-quintic through the points X(74), X(1304) of barycentric equations: -8 a^18 b^8 c^6 x^4 y + 72 a^14 b^12 c^6 x^4 y - 104 a^12 b^14 c^6 x^4 y - 4 a^10 b^16 c^6 x^4 y + 68 a^8 b^18 c^6 x^4 y - 32 a^4 b^22 c^6 x^4 y + 4 a^2 b^24 c^6 x^4 y + 4 b^26 c^6 x^4 y + 16 a^18 b^6 c^8 x^4 y + 48 a^16 b^8 c^8 x^4 y - 220 a^14 b^10 c^8 x^4 y + 72 a^12 b^12 c^8 x^4 y + 368 a^10 b^14 c^8 x^4 y - 300 a^8 b^16 c^8 x^4 y - 152 a^6 b^18 c^8 x^4 y + 196 a^4 b^20 c^8 x^4 y + 4 a^2 b^22 c^8 x^4 y - 32 b^24 c^8 x^4 y - 8 a^18 b^4 c^10 x^4 y - 96 a^16 b^6 c^10 x^4 y + 116 a^14 b^8 c^10 x^4 y + 432 a^12 b^10 c^10 x^4 y - 832 a^10 b^12 c^10 x^4 y + 100 a^8 b^14 c^10 x^4 y + 712 a^6 b^16 c^10 x^4 y - 408 a^4 b^18 c^10 x^4 y - 124 a^2 b^20 c^10 x^4 y + 108 b^22 c^10 x^4 y + 48 a^16 b^4 c^12 x^4 y + 140 a^14 b^6 c^12 x^4 y - 560 a^12 b^8 c^12 x^4 y + 276 a^10 b^10 c^12 x^4 y + 784 a^8 b^12 c^12 x^4 y - 1140 a^6 b^14 c^12 x^4 y + 220 a^4 b^16 c^12 x^4 y + 424 a^2 b^18 c^12 x^4 y - 192 b^20 c^12 x^4 y - 108 a^14 b^4 c^14 x^4 y + 56 a^12 b^6 c^14 x^4 y + 472 a^10 b^8 c^14 x^4 y - 924 a^8 b^10 c^14 x^4 y + 604 a^6 b^12 c^14 x^4 y + 392 a^4 b^14 c^14 x^4 y - 672 a^2 b^16 c^14 x^4 y + 168 b^18 c^14 x^4 y + 104 a^12 b^4 c^16 x^4 y - 260 a^10 b^6 c^16 x^4 y + 156 a^8 b^8 c^16 x^4 y + 176 a^6 b^10 c^16 x^4 y - 668 a^4 b^12 c^16 x^4 y + 560 a^2 b^14 c^16 x^4 y - 20 a^10 b^4 c^18 x^4 y + 148 a^8 b^6 c^18 x^4 y - 240 a^6 b^8 c^18 x^4 y + 344 a^4 b^10 c^18 x^4 y - 224 a^2 b^12 c^18 x^4 y - 168 b^14 c^18 x^4 y - 32 a^8 b^4 c^20 x^4 y + 28 a^6 b^6 c^20 x^4 y - 12 a^4 b^8 c^20 x^4 y + 24 a^2 b^10 c^20 x^4 y + 192 b^12 c^20 x^4 y + 12 a^6 b^4 c^22 x^4 y - 40 a^4 b^6 c^22 x^4 y - 4 a^2 b^8 c^22 x^4 y - 108 b^10 c^22 x^4 y + 8 a^4 b^4 c^24 x^4 y + 12 a^2 b^6 c^24 x^4 y + 32 b^8 c^24 x^4 y - 4 a^2 b^4 c^26 x^4 y - 4 b^6 c^26 x^4 y - 3 a^22 b^4 c^6 x^3 y^2 - 25 a^20 b^6 c^6 x^3 y^2 + 40 a^18 b^8 c^6 x^3 y^2 + 145 a^16 b^10 c^6 x^3 y^2 - 297 a^14 b^12 c^6 x^3 y^2 + 31 a^12 b^14 c^6 x^3 y^2 + 205 a^10 b^16 c^6 x^3 y^2 - 45 a^8 b^18 c^6 x^3 y^2 - 80 a^6 b^20 c^6 x^3 y^2 + 22 a^4 b^22 c^6 x^3 y^2 + 7 a^2 b^24 c^6 x^3 y^2 + 3 a^22 b^2 c^8 x^3 y^2 + 58 a^20 b^4 c^8 x^3 y^2 + 72 a^18 b^6 c^8 x^3 y^2 - 561 a^16 b^8 c^8 x^3 y^2 + 215 a^14 b^10 c^8 x^3 y^2 + 1065 a^12 b^12 c^8 x^3 y^2 - 994 a^10 b^14 c^8 x^3 y^2 - 306 a^8 b^16 c^8 x^3 y^2 + 552 a^6 b^18 c^8 x^3 y^2 - 29 a^4 b^20 c^8 x^3 y^2 - 72 a^2 b^22 c^8 x^3 y^2 - 3 b^24 c^8 x^3 y^2 - 33 a^20 b^2 c^10 x^3 y^2 - 250 a^18 b^4 c^10 x^3 y^2 + 315 a^16 b^6 c^10 x^3 y^2 + 1190 a^14 b^8 c^10 x^3 y^2 - 2220 a^12 b^10 c^10 x^3 y^2 + 146 a^10 b^12 c^10 x^3 y^2 + 2033 a^8 b^14 c^10 x^3 y^2 - 1130 a^6 b^16 c^10 x^3 y^2 - 345 a^4 b^18 c^10 x^3 y^2 + 268 a^2 b^20 c^10 x^3 y^2 + 26 b^22 c^10 x^3 y^2 + 138 a^18 b^2 c^12 x^3 y^2 + 397 a^16 b^4 c^12 x^3 y^2 - 1378 a^14 b^6 c^12 x^3 y^2 + 145 a^12 b^8 c^12 x^3 y^2 + 2626 a^10 b^10 c^12 x^3 y^2 - 2970 a^8 b^12 c^12 x^3 y^2 + 292 a^6 b^14 c^12 x^3 y^2 + 1307 a^4 b^16 c^12 x^3 y^2 - 458 a^2 b^18 c^12 x^3 y^2 - 99 b^20 c^12 x^3 y^2 - 296 a^16 b^2 c^14 x^3 y^2 - 80 a^14 b^4 c^14 x^3 y^2 + 1677 a^12 b^6 c^14 x^3 y^2 - 2101 a^10 b^8 c^14 x^3 y^2 + 621 a^8 b^10 c^14 x^3 y^2 + 1563 a^6 b^12 c^14 x^3 y^2 - 1890 a^4 b^14 c^14 x^3 y^2 + 278 a^2 b^16 c^14 x^3 y^2 + 216 b^18 c^14 x^3 y^2 + 350 a^14 b^2 c^16 x^3 y^2 - 488 a^12 b^4 c^16 x^3 y^2 - 476 a^10 b^6 c^16 x^3 y^2 + 1210 a^8 b^8 c^16 x^3 y^2 - 1677 a^6 b^10 c^16 x^3 y^2 + 1183 a^4 b^12 c^16 x^3 y^2 + 252 a^2 b^14 c^16 x^3 y^2 - 294 b^16 c^16 x^3 y^2 - 210 a^12 b^2 c^18 x^3 y^2 + 566 a^10 b^4 c^18 x^3 y^2 - 385 a^8 b^6 c^18 x^3 y^2 + 340 a^6 b^8 c^18 x^3 y^2 - 126 a^4 b^10 c^18 x^3 y^2 - 560 a^2 b^12 c^18 x^3 y^2 + 252 b^14 c^18 x^3 y^2 + 28 a^10 b^2 c^20 x^3 y^2 - 190 a^8 b^4 c^20 x^3 y^2 + 186 a^6 b^6 c^20 x^3 y^2 - 155 a^4 b^8 c^20 x^3 y^2 + 392 a^2 b^10 c^20 x^3 y^2 - 126 b^12 c^20 x^3 y^2 + 32 a^8 b^2 c^22 x^3 y^2 - 37 a^6 b^4 c^22 x^3 y^2 + 8 a^4 b^6 c^22 x^3 y^2 - 117 a^2 b^8 c^22 x^3 y^2 + 24 b^10 c^22 x^3 y^2 - 9 a^6 b^2 c^24 x^3 y^2 + 30 a^4 b^4 c^24 x^3 y^2 + 12 a^2 b^6 c^24 x^3 y^2 + 9 b^8 c^24 x^3 y^2 - 5 a^4 b^2 c^26 x^3 y^2 - 4 a^2 b^4 c^26 x^3 y^2 - 6 b^6 c^26 x^3 y^2 + 2 a^2 b^2 c^28 x^3 y^2 + b^4 c^28 x^3 y^2 - 7 a^24 b^2 c^6 x^2 y^3 - 22 a^22 b^4 c^6 x^2 y^3 + 80 a^20 b^6 c^6 x^2 y^3 + 45 a^18 b^8 c^6 x^2 y^3 - 205 a^16 b^10 c^6 x^2 y^3 - 31 a^14 b^12 c^6 x^2 y^3 + 297 a^12 b^14 c^6 x^2 y^3 - 145 a^10 b^16 c^6 x^2 y^3 - 40 a^8 b^18 c^6 x^2 y^3 + 25 a^6 b^20 c^6 x^2 y^3 + 3 a^4 b^22 c^6 x^2 y^3 + 3 a^24 c^8 x^2 y^3 + 72 a^22 b^2 c^8 x^2 y^3 + 29 a^20 b^4 c^8 x^2 y^3 - 552 a^18 b^6 c^8 x^2 y^3 + 306 a^16 b^8 c^8 x^2 y^3 + 994 a^14 b^10 c^8 x^2 y^3 - 1065 a^12 b^12 c^8 x^2 y^3 - 215 a^10 b^14 c^8 x^2 y^3 + 561 a^8 b^16 c^8 x^2 y^3 - 72 a^6 b^18 c^8 x^2 y^3 - 58 a^4 b^20 c^8 x^2 y^3 - 3 a^2 b^22 c^8 x^2 y^3 - 26 a^22 c^10 x^2 y^3 - 268 a^20 b^2 c^10 x^2 y^3 + 345 a^18 b^4 c^10 x^2 y^3 + 1130 a^16 b^6 c^10 x^2 y^3 - 2033 a^14 b^8 c^10 x^2 y^3 - 146 a^12 b^10 c^10 x^2 y^3 + 2220 a^10 b^12 c^10 x^2 y^3 - 1190 a^8 b^14 c^10 x^2 y^3 - 315 a^6 b^16 c^10 x^2 y^3 + 250 a^4 b^18 c^10 x^2 y^3 + 33 a^2 b^20 c^10 x^2 y^3 + 99 a^20 c^12 x^2 y^3 + 458 a^18 b^2 c^12 x^2 y^3 - 1307 a^16 b^4 c^12 x^2 y^3 - 292 a^14 b^6 c^12 x^2 y^3 + 2970 a^12 b^8 c^12 x^2 y^3 - 2626 a^10 b^10 c^12 x^2 y^3 - 145 a^8 b^12 c^12 x^2 y^3 + 1378 a^6 b^14 c^12 x^2 y^3 - 397 a^4 b^16 c^12 x^2 y^3 - 138 a^2 b^18 c^12 x^2 y^3 - 216 a^18 c^14 x^2 y^3 - 278 a^16 b^2 c^14 x^2 y^3 + 1890 a^14 b^4 c^14 x^2 y^3 - 1563 a^12 b^6 c^14 x^2 y^3 - 621 a^10 b^8 c^14 x^2 y^3 + 2101 a^8 b^10 c^14 x^2 y^3 - 1677 a^6 b^12 c^14 x^2 y^3 + 80 a^4 b^14 c^14 x^2 y^3 + 296 a^2 b^16 c^14 x^2 y^3 + 294 a^16 c^16 x^2 y^3 - 252 a^14 b^2 c^16 x^2 y^3 - 1183 a^12 b^4 c^16 x^2 y^3 + 1677 a^10 b^6 c^16 x^2 y^3 - 1210 a^8 b^8 c^16 x^2 y^3 + 476 a^6 b^10 c^16 x^2 y^3 + 488 a^4 b^12 c^16 x^2 y^3 - 350 a^2 b^14 c^16 x^2 y^3 - 252 a^14 c^18 x^2 y^3 + 560 a^12 b^2 c^18 x^2 y^3 + 126 a^10 b^4 c^18 x^2 y^3 - 340 a^8 b^6 c^18 x^2 y^3 + 385 a^6 b^8 c^18 x^2 y^3 - 566 a^4 b^10 c^18 x^2 y^3 + 210 a^2 b^12 c^18 x^2 y^3 + 126 a^12 c^20 x^2 y^3 - 392 a^10 b^2 c^20 x^2 y^3 + 155 a^8 b^4 c^20 x^2 y^3 - 186 a^6 b^6 c^20 x^2 y^3 + 190 a^4 b^8 c^20 x^2 y^3 - 28 a^2 b^10 c^20 x^2 y^3 - 24 a^10 c^22 x^2 y^3 + 117 a^8 b^2 c^22 x^2 y^3 - 8 a^6 b^4 c^22 x^2 y^3 + 37 a^4 b^6 c^22 x^2 y^3 - 32 a^2 b^8 c^22 x^2 y^3 - 9 a^8 c^24 x^2 y^3 - 12 a^6 b^2 c^24 x^2 y^3 - 30 a^4 b^4 c^24 x^2 y^3 + 9 a^2 b^6 c^24 x^2 y^3 + 6 a^6 c^26 x^2 y^3 + 4 a^4 b^2 c^26 x^2 y^3 + 5 a^2 b^4 c^26 x^2 y^3 - a^4 c^28 x^2 y^3 - 2 a^2 b^2 c^28 x^2 y^3 - 4 a^26 c^6 x y^4 - 4 a^24 b^2 c^6 x y^4 + 32 a^22 b^4 c^6 x y^4 - 68 a^18 b^8 c^6 x y^4 + 4 a^16 b^10 c^6 x y^4 + 104 a^14 b^12 c^6 x y^4 - 72 a^12 b^14 c^6 x y^4 + 8 a^8 b^18 c^6 x y^4 + 32 a^24 c^8 x y^4 - 4 a^22 b^2 c^8 x y^4 - 196 a^20 b^4 c^8 x y^4 + 152 a^18 b^6 c^8 x y^4 + 300 a^16 b^8 c^8 x y^4 - 368 a^14 b^10 c^8 x y^4 - 72 a^12 b^12 c^8 x y^4 + 220 a^10 b^14 c^8 x y^4 - 48 a^8 b^16 c^8 x y^4 - 16 a^6 b^18 c^8 x y^4 - 108 a^22 c^10 x y^4 + 124 a^20 b^2 c^10 x y^4 + 408 a^18 b^4 c^10 x y^4 - 712 a^16 b^6 c^10 x y^4 - 100 a^14 b^8 c^10 x y^4 + 832 a^12 b^10 c^10 x y^4 - 432 a^10 b^12 c^10 x y^4 - 116 a^8 b^14 c^10 x y^4 + 96 a^6 b^16 c^10 x y^4 + 8 a^4 b^18 c^10 x y^4 + 192 a^20 c^12 x y^4 - 424 a^18 b^2 c^12 x y^4 - 220 a^16 b^4 c^12 x y^4 + 1140 a^14 b^6 c^12 x y^4 - 784 a^12 b^8 c^12 x y^4 - 276 a^10 b^10 c^12 x y^4 + 560 a^8 b^12 c^12 x y^4 - 140 a^6 b^14 c^12 x y^4 - 48 a^4 b^16 c^12 x y^4 - 168 a^18 c^14 x y^4 + 672 a^16 b^2 c^14 x y^4 - 392 a^14 b^4 c^14 x y^4 - 604 a^12 b^6 c^14 x y^4 + 924 a^10 b^8 c^14 x y^4 - 472 a^8 b^10 c^14 x y^4 - 56 a^6 b^12 c^14 x y^4 + 108 a^4 b^14 c^14 x y^4 - 560 a^14 b^2 c^16 x y^4 + 668 a^12 b^4 c^16 x y^4 - 176 a^10 b^6 c^16 x y^4 - 156 a^8 b^8 c^16 x y^4 + 260 a^6 b^10 c^16 x y^4 - 104 a^4 b^12 c^16 x y^4 + 168 a^14 c^18 x y^4 + 224 a^12 b^2 c^18 x y^4 - 344 a^10 b^4 c^18 x y^4 + 240 a^8 b^6 c^18 x y^4 - 148 a^6 b^8 c^18 x y^4 + 20 a^4 b^10 c^18 x y^4 - 192 a^12 c^20 x y^4 - 24 a^10 b^2 c^20 x y^4 + 12 a^8 b^4 c^20 x y^4 - 28 a^6 b^6 c^20 x y^4 + 32 a^4 b^8 c^20 x y^4 + 108 a^10 c^22 x y^4 + 4 a^8 b^2 c^22 x y^4 + 40 a^6 b^4 c^22 x y^4 - 12 a^4 b^6 c^22 x y^4 - 32 a^8 c^24 x y^4 - 12 a^6 b^2 c^24 x y^4 - 8 a^4 b^4 c^24 x y^4 + 4 a^6 c^26 x y^4 + 4 a^4 b^2 c^26 x y^4 + 8 a^18 b^10 c^4 x^4 z - 48 a^16 b^12 c^4 x^4 z + 108 a^14 b^14 c^4 x^4 z - 104 a^12 b^16 c^4 x^4 z + 20 a^10 b^18 c^4 x^4 z + 32 a^8 b^20 c^4 x^4 z - 12 a^6 b^22 c^4 x^4 z - 8 a^4 b^24 c^4 x^4 z + 4 a^2 b^26 c^4 x^4 z - 16 a^18 b^8 c^6 x^4 z + 96 a^16 b^10 c^6 x^4 z - 140 a^14 b^12 c^6 x^4 z - 56 a^12 b^14 c^6 x^4 z + 260 a^10 b^16 c^6 x^4 z - 148 a^8 b^18 c^6 x^4 z - 28 a^6 b^20 c^6 x^4 z + 40 a^4 b^22 c^6 x^4 z - 12 a^2 b^24 c^6 x^4 z + 4 b^26 c^6 x^4 z + 8 a^18 b^6 c^8 x^4 z - 48 a^16 b^8 c^8 x^4 z - 116 a^14 b^10 c^8 x^4 z + 560 a^12 b^12 c^8 x^4 z - 472 a^10 b^14 c^8 x^4 z - 156 a^8 b^16 c^8 x^4 z + 240 a^6 b^18 c^8 x^4 z + 12 a^4 b^20 c^8 x^4 z + 4 a^2 b^22 c^8 x^4 z - 32 b^24 c^8 x^4 z + 220 a^14 b^8 c^10 x^4 z - 432 a^12 b^10 c^10 x^4 z - 276 a^10 b^12 c^10 x^4 z + 924 a^8 b^14 c^10 x^4 z - 176 a^6 b^16 c^10 x^4 z - 344 a^4 b^18 c^10 x^4 z - 24 a^2 b^20 c^10 x^4 z + 108 b^22 c^10 x^4 z - 72 a^14 b^6 c^12 x^4 z - 72 a^12 b^8 c^12 x^4 z + 832 a^10 b^10 c^12 x^4 z - 784 a^8 b^12 c^12 x^4 z - 604 a^6 b^14 c^12 x^4 z + 668 a^4 b^16 c^12 x^4 z + 224 a^2 b^18 c^12 x^4 z - 192 b^20 c^12 x^4 z + 104 a^12 b^6 c^14 x^4 z - 368 a^10 b^8 c^14 x^4 z - 100 a^8 b^10 c^14 x^4 z + 1140 a^6 b^12 c^14 x^4 z - 392 a^4 b^14 c^14 x^4 z - 560 a^2 b^16 c^14 x^4 z + 168 b^18 c^14 x^4 z + 4 a^10 b^6 c^16 x^4 z + 300 a^8 b^8 c^16 x^4 z - 712 a^6 b^10 c^16 x^4 z - 220 a^4 b^12 c^16 x^4 z + 672 a^2 b^14 c^16 x^4 z - 68 a^8 b^6 c^18 x^4 z + 152 a^6 b^8 c^18 x^4 z + 408 a^4 b^10 c^18 x^4 z - 424 a^2 b^12 c^18 x^4 z - 168 b^14 c^18 x^4 z - 196 a^4 b^8 c^20 x^4 z + 124 a^2 b^10 c^20 x^4 z + 192 b^12 c^20 x^4 z + 32 a^4 b^6 c^22 x^4 z - 4 a^2 b^8 c^22 x^4 z - 108 b^10 c^22 x^4 z - 4 a^2 b^6 c^24 x^4 z + 32 b^8 c^24 x^4 z - 4 b^6 c^26 x^4 z + 6 a^22 b^6 c^4 x^3 y z - 8 a^20 b^8 c^4 x^3 y z - 97 a^18 b^10 c^4 x^3 y z + 351 a^16 b^12 c^4 x^3 y z - 448 a^14 b^14 c^4 x^3 y z + 180 a^12 b^16 c^4 x^3 y z + 74 a^10 b^18 c^4 x^3 y z - 38 a^8 b^20 c^4 x^3 y z - 46 a^6 b^22 c^4 x^3 y z + 28 a^4 b^24 c^4 x^3 y z - a^2 b^26 c^4 x^3 y z - b^28 c^4 x^3 y z - 6 a^22 b^4 c^6 x^3 y z + 263 a^18 b^8 c^6 x^3 y z - 626 a^16 b^10 c^6 x^3 y z - 19 a^14 b^12 c^6 x^3 y z + 1248 a^12 b^14 c^6 x^3 y z - 1017 a^10 b^16 c^6 x^3 y z - 156 a^8 b^18 c^6 x^3 y z + 421 a^6 b^20 c^6 x^3 y z - 88 a^4 b^22 c^6 x^3 y z - 26 a^2 b^24 c^6 x^3 y z + 6 b^26 c^6 x^3 y z + 8 a^20 b^4 c^8 x^3 y z - 263 a^18 b^6 c^8 x^3 y z + 2079 a^14 b^10 c^8 x^3 y z - 2968 a^12 b^12 c^8 x^3 y z + 21 a^10 b^14 c^8 x^3 y z + 2116 a^8 b^16 c^8 x^3 y z - 923 a^6 b^18 c^8 x^3 y z - 200 a^4 b^20 c^8 x^3 y z + 142 a^2 b^22 c^8 x^3 y z - 12 b^24 c^8 x^3 y z + 97 a^18 b^4 c^10 x^3 y z + 626 a^16 b^6 c^10 x^3 y z - 2079 a^14 b^8 c^10 x^3 y z + 4472 a^10 b^12 c^10 x^3 y z - 3612 a^8 b^14 c^10 x^3 y z - 411 a^6 b^16 c^10 x^3 y z + 1120 a^4 b^18 c^10 x^3 y z - 215 a^2 b^20 c^10 x^3 y z + 2 b^22 c^10 x^3 y z - 351 a^16 b^4 c^12 x^3 y z + 19 a^14 b^6 c^12 x^3 y z + 2968 a^12 b^8 c^12 x^3 y z - 4472 a^10 b^10 c^12 x^3 y z + 3315 a^6 b^14 c^12 x^3 y z - 1428 a^4 b^16 c^12 x^3 y z - 78 a^2 b^18 c^12 x^3 y z + 27 b^20 c^12 x^3 y z + 448 a^14 b^4 c^14 x^3 y z - 1248 a^12 b^6 c^14 x^3 y z - 21 a^10 b^8 c^14 x^3 y z + 3612 a^8 b^10 c^14 x^3 y z - 3315 a^6 b^12 c^14 x^3 y z + 560 a^2 b^16 c^14 x^3 y z - 36 b^18 c^14 x^3 y z - 180 a^12 b^4 c^16 x^3 y z + 1017 a^10 b^6 c^16 x^3 y z - 2116 a^8 b^8 c^16 x^3 y z + 411 a^6 b^10 c^16 x^3 y z + 1428 a^4 b^12 c^16 x^3 y z - 560 a^2 b^14 c^16 x^3 y z - 74 a^10 b^4 c^18 x^3 y z + 156 a^8 b^6 c^18 x^3 y z + 923 a^6 b^8 c^18 x^3 y z - 1120 a^4 b^10 c^18 x^3 y z + 78 a^2 b^12 c^18 x^3 y z + 36 b^14 c^18 x^3 y z + 38 a^8 b^4 c^20 x^3 y z - 421 a^6 b^6 c^20 x^3 y z + 200 a^4 b^8 c^20 x^3 y z + 215 a^2 b^10 c^20 x^3 y z - 27 b^12 c^20 x^3 y z + 46 a^6 b^4 c^22 x^3 y z + 88 a^4 b^6 c^22 x^3 y z - 142 a^2 b^8 c^22 x^3 y z - 2 b^10 c^22 x^3 y z - 28 a^4 b^4 c^24 x^3 y z + 26 a^2 b^6 c^24 x^3 y z + 12 b^8 c^24 x^3 y z + a^2 b^4 c^26 x^3 y z - 6 b^6 c^26 x^3 y z + b^4 c^28 x^3 y z + a^26 b^2 c^4 x^2 y^2 z + 8 a^24 b^4 c^4 x^2 y^2 z - 48 a^22 b^6 c^4 x^2 y^2 z + 16 a^20 b^8 c^4 x^2 y^2 z + 221 a^18 b^10 c^4 x^2 y^2 z - 344 a^16 b^12 c^4 x^2 y^2 z + 344 a^12 b^16 c^4 x^2 y^2 z - 221 a^10 b^18 c^4 x^2 y^2 z - 16 a^8 b^20 c^4 x^2 y^2 z + 48 a^6 b^22 c^4 x^2 y^2 z - 8 a^4 b^24 c^4 x^2 y^2 z - a^2 b^26 c^4 x^2 y^2 z - 9 a^24 b^2 c^6 x^2 y^2 z + 37 a^22 b^4 c^6 x^2 y^2 z + 237 a^20 b^6 c^6 x^2 y^2 z - 813 a^18 b^8 c^6 x^2 y^2 z + 84 a^16 b^10 c^6 x^2 y^2 z + 1920 a^14 b^12 c^6 x^2 y^2 z - 1920 a^12 b^14 c^6 x^2 y^2 z - 84 a^10 b^16 c^6 x^2 y^2 z + 813 a^8 b^18 c^6 x^2 y^2 z - 237 a^6 b^20 c^6 x^2 y^2 z - 37 a^4 b^22 c^6 x^2 y^2 z + 9 a^2 b^24 c^6 x^2 y^2 z + 5 a^22 b^2 c^8 x^2 y^2 z - 354 a^20 b^4 c^8 x^2 y^2 z + 294 a^18 b^6 c^8 x^2 y^2 z + 2348 a^16 b^8 c^8 x^2 y^2 z - 4187 a^14 b^10 c^8 x^2 y^2 z + 4187 a^10 b^14 c^8 x^2 y^2 z - 2348 a^8 b^16 c^8 x^2 y^2 z - 294 a^6 b^18 c^8 x^2 y^2 z + 354 a^4 b^20 c^8 x^2 y^2 z - 5 a^2 b^22 c^8 x^2 y^2 z + 111 a^20 b^2 c^10 x^2 y^2 z + 681 a^18 b^4 c^10 x^2 y^2 z - 2641 a^16 b^6 c^10 x^2 y^2 z + 169 a^14 b^8 c^10 x^2 y^2 z + 6948 a^12 b^10 c^10 x^2 y^2 z - 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346 a^8 b^4 c^20 x^2 y^2 z + 346 a^4 b^8 c^20 x^2 y^2 z - 9 a^2 b^10 c^20 x^2 y^2 z + 23 a^8 b^2 c^22 x^2 y^2 z + 169 a^6 b^4 c^22 x^2 y^2 z - 169 a^4 b^6 c^22 x^2 y^2 z - 23 a^2 b^8 c^22 x^2 y^2 z - 27 a^6 b^2 c^24 x^2 y^2 z + 27 a^2 b^6 c^24 x^2 y^2 z + 7 a^4 b^2 c^26 x^2 y^2 z - 7 a^2 b^4 c^26 x^2 y^2 z + a^28 c^4 x y^3 z + a^26 b^2 c^4 x y^3 z - 28 a^24 b^4 c^4 x y^3 z + 46 a^22 b^6 c^4 x y^3 z + 38 a^20 b^8 c^4 x y^3 z - 74 a^18 b^10 c^4 x y^3 z - 180 a^16 b^12 c^4 x y^3 z + 448 a^14 b^14 c^4 x y^3 z - 351 a^12 b^16 c^4 x y^3 z + 97 a^10 b^18 c^4 x y^3 z + 8 a^8 b^20 c^4 x y^3 z - 6 a^6 b^22 c^4 x y^3 z - 6 a^26 c^6 x y^3 z + 26 a^24 b^2 c^6 x y^3 z + 88 a^22 b^4 c^6 x y^3 z - 421 a^20 b^6 c^6 x y^3 z + 156 a^18 b^8 c^6 x y^3 z + 1017 a^16 b^10 c^6 x y^3 z - 1248 a^14 b^12 c^6 x y^3 z + 19 a^12 b^14 c^6 x y^3 z + 626 a^10 b^16 c^6 x y^3 z - 263 a^8 b^18 c^6 x y^3 z + 6 a^4 b^22 c^6 x y^3 z + 12 a^24 c^8 x y^3 z - 142 a^22 b^2 c^8 x y^3 z + 200 a^20 b^4 c^8 x y^3 z + 923 a^18 b^6 c^8 x y^3 z - 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36 a^14 c^18 x y^3 z - 78 a^12 b^2 c^18 x y^3 z + 1120 a^10 b^4 c^18 x y^3 z - 923 a^8 b^6 c^18 x y^3 z - 156 a^6 b^8 c^18 x y^3 z + 74 a^4 b^10 c^18 x y^3 z + 27 a^12 c^20 x y^3 z - 215 a^10 b^2 c^20 x y^3 z - 200 a^8 b^4 c^20 x y^3 z + 421 a^6 b^6 c^20 x y^3 z - 38 a^4 b^8 c^20 x y^3 z + 2 a^10 c^22 x y^3 z + 142 a^8 b^2 c^22 x y^3 z - 88 a^6 b^4 c^22 x y^3 z - 46 a^4 b^6 c^22 x y^3 z - 12 a^8 c^24 x y^3 z - 26 a^6 b^2 c^24 x y^3 z + 28 a^4 b^4 c^24 x y^3 z + 6 a^6 c^26 x y^3 z - a^4 b^2 c^26 x y^3 z - a^4 c^28 x y^3 z - 4 a^26 b^2 c^4 y^4 z + 8 a^24 b^4 c^4 y^4 z + 12 a^22 b^6 c^4 y^4 z - 32 a^20 b^8 c^4 y^4 z - 20 a^18 b^10 c^4 y^4 z + 104 a^16 b^12 c^4 y^4 z - 108 a^14 b^14 c^4 y^4 z + 48 a^12 b^16 c^4 y^4 z - 8 a^10 b^18 c^4 y^4 z - 4 a^26 c^6 y^4 z + 12 a^24 b^2 c^6 y^4 z - 40 a^22 b^4 c^6 y^4 z + 28 a^20 b^6 c^6 y^4 z + 148 a^18 b^8 c^6 y^4 z - 260 a^16 b^10 c^6 y^4 z + 56 a^14 b^12 c^6 y^4 z + 140 a^12 b^14 c^6 y^4 z - 96 a^10 b^16 c^6 y^4 z + 16 a^8 b^18 c^6 y^4 z + 32 a^24 c^8 y^4 z - 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152 a^8 b^6 c^18 y^4 z + 68 a^6 b^8 c^18 y^4 z - 192 a^12 c^20 y^4 z - 124 a^10 b^2 c^20 y^4 z + 196 a^8 b^4 c^20 y^4 z + 108 a^10 c^22 y^4 z + 4 a^8 b^2 c^22 y^4 z - 32 a^6 b^4 c^22 y^4 z - 32 a^8 c^24 y^4 z + 4 a^6 b^2 c^24 y^4 z + 4 a^6 c^26 y^4 z - 3 a^22 b^8 c^2 x^3 z^2 + 33 a^20 b^10 c^2 x^3 z^2 - 138 a^18 b^12 c^2 x^3 z^2 + 296 a^16 b^14 c^2 x^3 z^2 - 350 a^14 b^16 c^2 x^3 z^2 + 210 a^12 b^18 c^2 x^3 z^2 - 28 a^10 b^20 c^2 x^3 z^2 - 32 a^8 b^22 c^2 x^3 z^2 + 9 a^6 b^24 c^2 x^3 z^2 + 5 a^4 b^26 c^2 x^3 z^2 - 2 a^2 b^28 c^2 x^3 z^2 + 3 a^22 b^6 c^4 x^3 z^2 - 58 a^20 b^8 c^4 x^3 z^2 + 250 a^18 b^10 c^4 x^3 z^2 - 397 a^16 b^12 c^4 x^3 z^2 + 80 a^14 b^14 c^4 x^3 z^2 + 488 a^12 b^16 c^4 x^3 z^2 - 566 a^10 b^18 c^4 x^3 z^2 + 190 a^8 b^20 c^4 x^3 z^2 + 37 a^6 b^22 c^4 x^3 z^2 - 30 a^4 b^24 c^4 x^3 z^2 + 4 a^2 b^26 c^4 x^3 z^2 - b^28 c^4 x^3 z^2 + 25 a^20 b^6 c^6 x^3 z^2 - 72 a^18 b^8 c^6 x^3 z^2 - 315 a^16 b^10 c^6 x^3 z^2 + 1378 a^14 b^12 c^6 x^3 z^2 - 1677 a^12 b^14 c^6 x^3 z^2 + 476 a^10 b^16 c^6 x^3 z^2 + 385 a^8 b^18 c^6 x^3 z^2 - 186 a^6 b^20 c^6 x^3 z^2 - 8 a^4 b^22 c^6 x^3 z^2 - 12 a^2 b^24 c^6 x^3 z^2 + 6 b^26 c^6 x^3 z^2 - 40 a^18 b^6 c^8 x^3 z^2 + 561 a^16 b^8 c^8 x^3 z^2 - 1190 a^14 b^10 c^8 x^3 z^2 - 145 a^12 b^12 c^8 x^3 z^2 + 2101 a^10 b^14 c^8 x^3 z^2 - 1210 a^8 b^16 c^8 x^3 z^2 - 340 a^6 b^18 c^8 x^3 z^2 + 155 a^4 b^20 c^8 x^3 z^2 + 117 a^2 b^22 c^8 x^3 z^2 - 9 b^24 c^8 x^3 z^2 - 145 a^16 b^6 c^10 x^3 z^2 - 215 a^14 b^8 c^10 x^3 z^2 + 2220 a^12 b^10 c^10 x^3 z^2 - 2626 a^10 b^12 c^10 x^3 z^2 - 621 a^8 b^14 c^10 x^3 z^2 + 1677 a^6 b^16 c^10 x^3 z^2 + 126 a^4 b^18 c^10 x^3 z^2 - 392 a^2 b^20 c^10 x^3 z^2 - 24 b^22 c^10 x^3 z^2 + 297 a^14 b^6 c^12 x^3 z^2 - 1065 a^12 b^8 c^12 x^3 z^2 - 146 a^10 b^10 c^12 x^3 z^2 + 2970 a^8 b^12 c^12 x^3 z^2 - 1563 a^6 b^14 c^12 x^3 z^2 - 1183 a^4 b^16 c^12 x^3 z^2 + 560 a^2 b^18 c^12 x^3 z^2 + 126 b^20 c^12 x^3 z^2 - 31 a^12 b^6 c^14 x^3 z^2 + 994 a^10 b^8 c^14 x^3 z^2 - 2033 a^8 b^10 c^14 x^3 z^2 - 292 a^6 b^12 c^14 x^3 z^2 + 1890 a^4 b^14 c^14 x^3 z^2 - 252 a^2 b^16 c^14 x^3 z^2 - 252 b^18 c^14 x^3 z^2 - 205 a^10 b^6 c^16 x^3 z^2 + 306 a^8 b^8 c^16 x^3 z^2 + 1130 a^6 b^10 c^16 x^3 z^2 - 1307 a^4 b^12 c^16 x^3 z^2 - 278 a^2 b^14 c^16 x^3 z^2 + 294 b^16 c^16 x^3 z^2 + 45 a^8 b^6 c^18 x^3 z^2 - 552 a^6 b^8 c^18 x^3 z^2 + 345 a^4 b^10 c^18 x^3 z^2 + 458 a^2 b^12 c^18 x^3 z^2 - 216 b^14 c^18 x^3 z^2 + 80 a^6 b^6 c^20 x^3 z^2 + 29 a^4 b^8 c^20 x^3 z^2 - 268 a^2 b^10 c^20 x^3 z^2 + 99 b^12 c^20 x^3 z^2 - 22 a^4 b^6 c^22 x^3 z^2 + 72 a^2 b^8 c^22 x^3 z^2 - 26 b^10 c^22 x^3 z^2 - 7 a^2 b^6 c^24 x^3 z^2 + 3 b^8 c^24 x^3 z^2 - a^26 b^4 c^2 x^2 y z^2 + 9 a^24 b^6 c^2 x^2 y z^2 - 5 a^22 b^8 c^2 x^2 y z^2 - 111 a^20 b^10 c^2 x^2 y z^2 + 378 a^18 b^12 c^2 x^2 y z^2 - 546 a^16 b^14 c^2 x^2 y z^2 + 378 a^14 b^16 c^2 x^2 y z^2 - 90 a^12 b^18 c^2 x^2 y z^2 - 9 a^10 b^20 c^2 x^2 y z^2 - 23 a^8 b^22 c^2 x^2 y z^2 + 27 a^6 b^24 c^2 x^2 y z^2 - 7 a^4 b^26 c^2 x^2 y z^2 - 8 a^24 b^4 c^4 x^2 y z^2 - 37 a^22 b^6 c^4 x^2 y z^2 + 354 a^20 b^8 c^4 x^2 y z^2 - 681 a^18 b^10 c^4 x^2 y z^2 + 14 a^16 b^12 c^4 x^2 y z^2 + 1318 a^14 b^14 c^4 x^2 y z^2 - 1410 a^12 b^16 c^4 x^2 y z^2 + 266 a^10 b^18 c^4 x^2 y z^2 + 346 a^8 b^20 c^4 x^2 y z^2 - 169 a^6 b^22 c^4 x^2 y z^2 + 7 a^2 b^26 c^4 x^2 y z^2 + 48 a^22 b^4 c^6 x^2 y z^2 - 237 a^20 b^6 c^6 x^2 y z^2 - 294 a^18 b^8 c^6 x^2 y z^2 + 2641 a^16 b^10 c^6 x^2 y z^2 - 3810 a^14 b^12 c^6 x^2 y z^2 + 726 a^12 b^14 c^6 x^2 y z^2 + 2227 a^10 b^16 c^6 x^2 y z^2 - 1443 a^8 b^18 c^6 x^2 y z^2 + 169 a^4 b^22 c^6 x^2 y z^2 - 27 a^2 b^24 c^6 x^2 y z^2 - 16 a^20 b^4 c^8 x^2 y z^2 + 813 a^18 b^6 c^8 x^2 y z^2 - 2348 a^16 b^8 c^8 x^2 y z^2 - 169 a^14 b^10 c^8 x^2 y z^2 + 6150 a^12 b^12 c^8 x^2 y z^2 - 5550 a^10 b^14 c^8 x^2 y z^2 + 1443 a^6 b^18 c^8 x^2 y z^2 - 346 a^4 b^20 c^8 x^2 y z^2 + 23 a^2 b^22 c^8 x^2 y z^2 - 221 a^18 b^4 c^10 x^2 y z^2 - 84 a^16 b^6 c^10 x^2 y z^2 + 4187 a^14 b^8 c^10 x^2 y z^2 - 6948 a^12 b^10 c^10 x^2 y z^2 + 5550 a^8 b^14 c^10 x^2 y z^2 - 2227 a^6 b^16 c^10 x^2 y z^2 - 266 a^4 b^18 c^10 x^2 y z^2 + 9 a^2 b^20 c^10 x^2 y z^2 + 344 a^16 b^4 c^12 x^2 y z^2 - 1920 a^14 b^6 c^12 x^2 y z^2 + 6948 a^10 b^10 c^12 x^2 y z^2 - 6150 a^8 b^12 c^12 x^2 y z^2 - 726 a^6 b^14 c^12 x^2 y z^2 + 1410 a^4 b^16 c^12 x^2 y z^2 + 90 a^2 b^18 c^12 x^2 y z^2 + 1920 a^12 b^6 c^14 x^2 y z^2 - 4187 a^10 b^8 c^14 x^2 y z^2 + 169 a^8 b^10 c^14 x^2 y z^2 + 3810 a^6 b^12 c^14 x^2 y z^2 - 1318 a^4 b^14 c^14 x^2 y z^2 - 378 a^2 b^16 c^14 x^2 y z^2 - 344 a^12 b^4 c^16 x^2 y z^2 + 84 a^10 b^6 c^16 x^2 y z^2 + 2348 a^8 b^8 c^16 x^2 y z^2 - 2641 a^6 b^10 c^16 x^2 y z^2 - 14 a^4 b^12 c^16 x^2 y z^2 + 546 a^2 b^14 c^16 x^2 y z^2 + 221 a^10 b^4 c^18 x^2 y z^2 - 813 a^8 b^6 c^18 x^2 y z^2 + 294 a^6 b^8 c^18 x^2 y z^2 + 681 a^4 b^10 c^18 x^2 y z^2 - 378 a^2 b^12 c^18 x^2 y z^2 + 16 a^8 b^4 c^20 x^2 y z^2 + 237 a^6 b^6 c^20 x^2 y z^2 - 354 a^4 b^8 c^20 x^2 y z^2 + 111 a^2 b^10 c^20 x^2 y z^2 - 48 a^6 b^4 c^22 x^2 y z^2 + 37 a^4 b^6 c^22 x^2 y z^2 + 5 a^2 b^8 c^22 x^2 y z^2 + 8 a^4 b^4 c^24 x^2 y z^2 - 9 a^2 b^6 c^24 x^2 y z^2 + a^2 b^4 c^26 x^2 y z^2 + 7 a^26 b^4 c^2 x y^2 z^2 - 27 a^24 b^6 c^2 x y^2 z^2 + 23 a^22 b^8 c^2 x y^2 z^2 + 9 a^20 b^10 c^2 x y^2 z^2 + 90 a^18 b^12 c^2 x y^2 z^2 - 378 a^16 b^14 c^2 x y^2 z^2 + 546 a^14 b^16 c^2 x y^2 z^2 - 378 a^12 b^18 c^2 x y^2 z^2 + 111 a^10 b^20 c^2 x y^2 z^2 + 5 a^8 b^22 c^2 x y^2 z^2 - 9 a^6 b^24 c^2 x y^2 z^2 + a^4 b^26 c^2 x y^2 z^2 - 7 a^26 b^2 c^4 x y^2 z^2 + 169 a^22 b^6 c^4 x y^2 z^2 - 346 a^20 b^8 c^4 x y^2 z^2 - 266 a^18 b^10 c^4 x y^2 z^2 + 1410 a^16 b^12 c^4 x y^2 z^2 - 1318 a^14 b^14 c^4 x y^2 z^2 - 14 a^12 b^16 c^4 x y^2 z^2 + 681 a^10 b^18 c^4 x y^2 z^2 - 354 a^8 b^20 c^4 x y^2 z^2 + 37 a^6 b^22 c^4 x y^2 z^2 + 8 a^4 b^24 c^4 x y^2 z^2 + 27 a^24 b^2 c^6 x y^2 z^2 - 169 a^22 b^4 c^6 x y^2 z^2 + 1443 a^18 b^8 c^6 x y^2 z^2 - 2227 a^16 b^10 c^6 x y^2 z^2 - 726 a^14 b^12 c^6 x y^2 z^2 + 3810 a^12 b^14 c^6 x y^2 z^2 - 2641 a^10 b^16 c^6 x y^2 z^2 + 294 a^8 b^18 c^6 x y^2 z^2 + 237 a^6 b^20 c^6 x y^2 z^2 - 48 a^4 b^22 c^6 x y^2 z^2 - 23 a^22 b^2 c^8 x y^2 z^2 + 346 a^20 b^4 c^8 x y^2 z^2 - 1443 a^18 b^6 c^8 x y^2 z^2 + 5550 a^14 b^10 c^8 x y^2 z^2 - 6150 a^12 b^12 c^8 x y^2 z^2 + 169 a^10 b^14 c^8 x y^2 z^2 + 2348 a^8 b^16 c^8 x y^2 z^2 - 813 a^6 b^18 c^8 x y^2 z^2 + 16 a^4 b^20 c^8 x y^2 z^2 - 9 a^20 b^2 c^10 x y^2 z^2 + 266 a^18 b^4 c^10 x y^2 z^2 + 2227 a^16 b^6 c^10 x y^2 z^2 - 5550 a^14 b^8 c^10 x y^2 z^2 + 6948 a^10 b^12 c^10 x y^2 z^2 - 4187 a^8 b^14 c^10 x y^2 z^2 + 84 a^6 b^16 c^10 x y^2 z^2 + 221 a^4 b^18 c^10 x y^2 z^2 - 90 a^18 b^2 c^12 x y^2 z^2 - 1410 a^16 b^4 c^12 x y^2 z^2 + 726 a^14 b^6 c^12 x y^2 z^2 + 6150 a^12 b^8 c^12 x y^2 z^2 - 6948 a^10 b^10 c^12 x y^2 z^2 + 1920 a^6 b^14 c^12 x y^2 z^2 - 344 a^4 b^16 c^12 x y^2 z^2 + 378 a^16 b^2 c^14 x y^2 z^2 + 1318 a^14 b^4 c^14 x y^2 z^2 - 3810 a^12 b^6 c^14 x y^2 z^2 - 169 a^10 b^8 c^14 x y^2 z^2 + 4187 a^8 b^10 c^14 x y^2 z^2 - 1920 a^6 b^12 c^14 x y^2 z^2 - 546 a^14 b^2 c^16 x y^2 z^2 + 14 a^12 b^4 c^16 x y^2 z^2 + 2641 a^10 b^6 c^16 x y^2 z^2 - 2348 a^8 b^8 c^16 x y^2 z^2 - 84 a^6 b^10 c^16 x y^2 z^2 + 344 a^4 b^12 c^16 x y^2 z^2 + 378 a^12 b^2 c^18 x y^2 z^2 - 681 a^10 b^4 c^18 x y^2 z^2 - 294 a^8 b^6 c^18 x y^2 z^2 + 813 a^6 b^8 c^18 x y^2 z^2 - 221 a^4 b^10 c^18 x y^2 z^2 - 111 a^10 b^2 c^20 x y^2 z^2 + 354 a^8 b^4 c^20 x y^2 z^2 - 237 a^6 b^6 c^20 x y^2 z^2 - 16 a^4 b^8 c^20 x y^2 z^2 - 5 a^8 b^2 c^22 x y^2 z^2 - 37 a^6 b^4 c^22 x y^2 z^2 + 48 a^4 b^6 c^22 x y^2 z^2 + 9 a^6 b^2 c^24 x y^2 z^2 - 8 a^4 b^4 c^24 x y^2 z^2 - a^4 b^2 c^26 x y^2 z^2 + 2 a^28 b^2 c^2 y^3 z^2 - 5 a^26 b^4 c^2 y^3 z^2 - 9 a^24 b^6 c^2 y^3 z^2 + 32 a^22 b^8 c^2 y^3 z^2 + 28 a^20 b^10 c^2 y^3 z^2 - 210 a^18 b^12 c^2 y^3 z^2 + 350 a^16 b^14 c^2 y^3 z^2 - 296 a^14 b^16 c^2 y^3 z^2 + 138 a^12 b^18 c^2 y^3 z^2 - 33 a^10 b^20 c^2 y^3 z^2 + 3 a^8 b^22 c^2 y^3 z^2 + a^28 c^4 y^3 z^2 - 4 a^26 b^2 c^4 y^3 z^2 + 30 a^24 b^4 c^4 y^3 z^2 - 37 a^22 b^6 c^4 y^3 z^2 - 190 a^20 b^8 c^4 y^3 z^2 + 566 a^18 b^10 c^4 y^3 z^2 - 488 a^16 b^12 c^4 y^3 z^2 - 80 a^14 b^14 c^4 y^3 z^2 + 397 a^12 b^16 c^4 y^3 z^2 - 250 a^10 b^18 c^4 y^3 z^2 + 58 a^8 b^20 c^4 y^3 z^2 - 3 a^6 b^22 c^4 y^3 z^2 - 6 a^26 c^6 y^3 z^2 + 12 a^24 b^2 c^6 y^3 z^2 + 8 a^22 b^4 c^6 y^3 z^2 + 186 a^20 b^6 c^6 y^3 z^2 - 385 a^18 b^8 c^6 y^3 z^2 - 476 a^16 b^10 c^6 y^3 z^2 + 1677 a^14 b^12 c^6 y^3 z^2 - 1378 a^12 b^14 c^6 y^3 z^2 + 315 a^10 b^16 c^6 y^3 z^2 + 72 a^8 b^18 c^6 y^3 z^2 - 25 a^6 b^20 c^6 y^3 z^2 + 9 a^24 c^8 y^3 z^2 - 117 a^22 b^2 c^8 y^3 z^2 - 155 a^20 b^4 c^8 y^3 z^2 + 340 a^18 b^6 c^8 y^3 z^2 + 1210 a^16 b^8 c^8 y^3 z^2 - 2101 a^14 b^10 c^8 y^3 z^2 + 145 a^12 b^12 c^8 y^3 z^2 + 1190 a^10 b^14 c^8 y^3 z^2 - 561 a^8 b^16 c^8 y^3 z^2 + 40 a^6 b^18 c^8 y^3 z^2 + 24 a^22 c^10 y^3 z^2 + 392 a^20 b^2 c^10 y^3 z^2 - 126 a^18 b^4 c^10 y^3 z^2 - 1677 a^16 b^6 c^10 y^3 z^2 + 621 a^14 b^8 c^10 y^3 z^2 + 2626 a^12 b^10 c^10 y^3 z^2 - 2220 a^10 b^12 c^10 y^3 z^2 + 215 a^8 b^14 c^10 y^3 z^2 + 145 a^6 b^16 c^10 y^3 z^2 - 126 a^20 c^12 y^3 z^2 - 560 a^18 b^2 c^12 y^3 z^2 + 1183 a^16 b^4 c^12 y^3 z^2 + 1563 a^14 b^6 c^12 y^3 z^2 - 2970 a^12 b^8 c^12 y^3 z^2 + 146 a^10 b^10 c^12 y^3 z^2 + 1065 a^8 b^12 c^12 y^3 z^2 - 297 a^6 b^14 c^12 y^3 z^2 + 252 a^18 c^14 y^3 z^2 + 252 a^16 b^2 c^14 y^3 z^2 - 1890 a^14 b^4 c^14 y^3 z^2 + 292 a^12 b^6 c^14 y^3 z^2 + 2033 a^10 b^8 c^14 y^3 z^2 - 994 a^8 b^10 c^14 y^3 z^2 + 31 a^6 b^12 c^14 y^3 z^2 - 294 a^16 c^16 y^3 z^2 + 278 a^14 b^2 c^16 y^3 z^2 + 1307 a^12 b^4 c^16 y^3 z^2 - 1130 a^10 b^6 c^16 y^3 z^2 - 306 a^8 b^8 c^16 y^3 z^2 + 205 a^6 b^10 c^16 y^3 z^2 + 216 a^14 c^18 y^3 z^2 - 458 a^12 b^2 c^18 y^3 z^2 - 345 a^10 b^4 c^18 y^3 z^2 + 552 a^8 b^6 c^18 y^3 z^2 - 45 a^6 b^8 c^18 y^3 z^2 - 99 a^12 c^20 y^3 z^2 + 268 a^10 b^2 c^20 y^3 z^2 - 29 a^8 b^4 c^20 y^3 z^2 - 80 a^6 b^6 c^20 y^3 z^2 + 26 a^10 c^22 y^3 z^2 - 72 a^8 b^2 c^22 y^3 z^2 + 22 a^6 b^4 c^22 y^3 z^2 - 3 a^8 c^24 y^3 z^2 + 7 a^6 b^2 c^24 y^3 z^2 - 3 a^24 b^8 x^2 z^3 + 26 a^22 b^10 x^2 z^3 - 99 a^20 b^12 x^2 z^3 + 216 a^18 b^14 x^2 z^3 - 294 a^16 b^16 x^2 z^3 + 252 a^14 b^18 x^2 z^3 - 126 a^12 b^20 x^2 z^3 + 24 a^10 b^22 x^2 z^3 + 9 a^8 b^24 x^2 z^3 - 6 a^6 b^26 x^2 z^3 + a^4 b^28 x^2 z^3 + 7 a^24 b^6 c^2 x^2 z^3 - 72 a^22 b^8 c^2 x^2 z^3 + 268 a^20 b^10 c^2 x^2 z^3 - 458 a^18 b^12 c^2 x^2 z^3 + 278 a^16 b^14 c^2 x^2 z^3 + 252 a^14 b^16 c^2 x^2 z^3 - 560 a^12 b^18 c^2 x^2 z^3 + 392 a^10 b^20 c^2 x^2 z^3 - 117 a^8 b^22 c^2 x^2 z^3 + 12 a^6 b^24 c^2 x^2 z^3 - 4 a^4 b^26 c^2 x^2 z^3 + 2 a^2 b^28 c^2 x^2 z^3 + 22 a^22 b^6 c^4 x^2 z^3 - 29 a^20 b^8 c^4 x^2 z^3 - 345 a^18 b^10 c^4 x^2 z^3 + 1307 a^16 b^12 c^4 x^2 z^3 - 1890 a^14 b^14 c^4 x^2 z^3 + 1183 a^12 b^16 c^4 x^2 z^3 - 126 a^10 b^18 c^4 x^2 z^3 - 155 a^8 b^20 c^4 x^2 z^3 + 8 a^6 b^22 c^4 x^2 z^3 + 30 a^4 b^24 c^4 x^2 z^3 - 5 a^2 b^26 c^4 x^2 z^3 - 80 a^20 b^6 c^6 x^2 z^3 + 552 a^18 b^8 c^6 x^2 z^3 - 1130 a^16 b^10 c^6 x^2 z^3 + 292 a^14 b^12 c^6 x^2 z^3 + 1563 a^12 b^14 c^6 x^2 z^3 - 1677 a^10 b^16 c^6 x^2 z^3 + 340 a^8 b^18 c^6 x^2 z^3 + 186 a^6 b^20 c^6 x^2 z^3 - 37 a^4 b^22 c^6 x^2 z^3 - 9 a^2 b^24 c^6 x^2 z^3 - 45 a^18 b^6 c^8 x^2 z^3 - 306 a^16 b^8 c^8 x^2 z^3 + 2033 a^14 b^10 c^8 x^2 z^3 - 2970 a^12 b^12 c^8 x^2 z^3 + 621 a^10 b^14 c^8 x^2 z^3 + 1210 a^8 b^16 c^8 x^2 z^3 - 385 a^6 b^18 c^8 x^2 z^3 - 190 a^4 b^20 c^8 x^2 z^3 + 32 a^2 b^22 c^8 x^2 z^3 + 205 a^16 b^6 c^10 x^2 z^3 - 994 a^14 b^8 c^10 x^2 z^3 + 146 a^12 b^10 c^10 x^2 z^3 + 2626 a^10 b^12 c^10 x^2 z^3 - 2101 a^8 b^14 c^10 x^2 z^3 - 476 a^6 b^16 c^10 x^2 z^3 + 566 a^4 b^18 c^10 x^2 z^3 + 28 a^2 b^20 c^10 x^2 z^3 + 31 a^14 b^6 c^12 x^2 z^3 + 1065 a^12 b^8 c^12 x^2 z^3 - 2220 a^10 b^10 c^12 x^2 z^3 + 145 a^8 b^12 c^12 x^2 z^3 + 1677 a^6 b^14 c^12 x^2 z^3 - 488 a^4 b^16 c^12 x^2 z^3 - 210 a^2 b^18 c^12 x^2 z^3 - 297 a^12 b^6 c^14 x^2 z^3 + 215 a^10 b^8 c^14 x^2 z^3 + 1190 a^8 b^10 c^14 x^2 z^3 - 1378 a^6 b^12 c^14 x^2 z^3 - 80 a^4 b^14 c^14 x^2 z^3 + 350 a^2 b^16 c^14 x^2 z^3 + 145 a^10 b^6 c^16 x^2 z^3 - 561 a^8 b^8 c^16 x^2 z^3 + 315 a^6 b^10 c^16 x^2 z^3 + 397 a^4 b^12 c^16 x^2 z^3 - 296 a^2 b^14 c^16 x^2 z^3 + 40 a^8 b^6 c^18 x^2 z^3 + 72 a^6 b^8 c^18 x^2 z^3 - 250 a^4 b^10 c^18 x^2 z^3 + 138 a^2 b^12 c^18 x^2 z^3 - 25 a^6 b^6 c^20 x^2 z^3 + 58 a^4 b^8 c^20 x^2 z^3 - 33 a^2 b^10 c^20 x^2 z^3 - 3 a^4 b^6 c^22 x^2 z^3 + 3 a^2 b^8 c^22 x^2 z^3 - a^28 b^4 x y z^3 + 6 a^26 b^6 x y z^3 - 12 a^24 b^8 x y z^3 + 2 a^22 b^10 x y z^3 + 27 a^20 b^12 x y z^3 - 36 a^18 b^14 x y z^3 + 36 a^14 b^18 x y z^3 - 27 a^12 b^20 x y z^3 - 2 a^10 b^22 x y z^3 + 12 a^8 b^24 x y z^3 - 6 a^6 b^26 x y z^3 + a^4 b^28 x y z^3 - a^26 b^4 c^2 x y z^3 - 26 a^24 b^6 c^2 x y z^3 + 142 a^22 b^8 c^2 x y z^3 - 215 a^20 b^10 c^2 x y z^3 - 78 a^18 b^12 c^2 x y z^3 + 560 a^16 b^14 c^2 x y z^3 - 560 a^14 b^16 c^2 x y z^3 + 78 a^12 b^18 c^2 x y z^3 + 215 a^10 b^20 c^2 x y z^3 - 142 a^8 b^22 c^2 x y z^3 + 26 a^6 b^24 c^2 x y z^3 + a^4 b^26 c^2 x y z^3 + 28 a^24 b^4 c^4 x y z^3 - 88 a^22 b^6 c^4 x y z^3 - 200 a^20 b^8 c^4 x y z^3 + 1120 a^18 b^10 c^4 x y z^3 - 1428 a^16 b^12 c^4 x y z^3 + 1428 a^12 b^16 c^4 x y z^3 - 1120 a^10 b^18 c^4 x y z^3 + 200 a^8 b^20 c^4 x y z^3 + 88 a^6 b^22 c^4 x y z^3 - 28 a^4 b^24 c^4 x y z^3 - 46 a^22 b^4 c^6 x y z^3 + 421 a^20 b^6 c^6 x y z^3 - 923 a^18 b^8 c^6 x y z^3 - 411 a^16 b^10 c^6 x y z^3 + 3315 a^14 b^12 c^6 x y z^3 - 3315 a^12 b^14 c^6 x y z^3 + 411 a^10 b^16 c^6 x y z^3 + 923 a^8 b^18 c^6 x y z^3 - 421 a^6 b^20 c^6 x y z^3 + 46 a^4 b^22 c^6 x y z^3 - 38 a^20 b^4 c^8 x y z^3 - 156 a^18 b^6 c^8 x y z^3 + 2116 a^16 b^8 c^8 x y z^3 - 3612 a^14 b^10 c^8 x y z^3 + 3612 a^10 b^14 c^8 x y z^3 - 2116 a^8 b^16 c^8 x y z^3 + 156 a^6 b^18 c^8 x y z^3 + 38 a^4 b^20 c^8 x y z^3 + 74 a^18 b^4 c^10 x y z^3 - 1017 a^16 b^6 c^10 x y z^3 + 21 a^14 b^8 c^10 x y z^3 + 4472 a^12 b^10 c^10 x y z^3 - 4472 a^10 b^12 c^10 x y z^3 - 21 a^8 b^14 c^10 x y z^3 + 1017 a^6 b^16 c^10 x y z^3 - 74 a^4 b^18 c^10 x y z^3 + 180 a^16 b^4 c^12 x y z^3 + 1248 a^14 b^6 c^12 x y z^3 - 2968 a^12 b^8 c^12 x y z^3 + 2968 a^8 b^12 c^12 x y z^3 - 1248 a^6 b^14 c^12 x y z^3 - 180 a^4 b^16 c^12 x y z^3 - 448 a^14 b^4 c^14 x y z^3 - 19 a^12 b^6 c^14 x y z^3 + 2079 a^10 b^8 c^14 x y z^3 - 2079 a^8 b^10 c^14 x y z^3 + 19 a^6 b^12 c^14 x y z^3 + 448 a^4 b^14 c^14 x y z^3 + 351 a^12 b^4 c^16 x y z^3 - 626 a^10 b^6 c^16 x y z^3 + 626 a^6 b^10 c^16 x y z^3 - 351 a^4 b^12 c^16 x y z^3 - 97 a^10 b^4 c^18 x y z^3 + 263 a^8 b^6 c^18 x y z^3 - 263 a^6 b^8 c^18 x y z^3 + 97 a^4 b^10 c^18 x y z^3 - 8 a^8 b^4 c^20 x y z^3 + 8 a^4 b^8 c^20 x y z^3 + 6 a^6 b^4 c^22 x y z^3 - 6 a^4 b^6 c^22 x y z^3 - a^28 b^4 y^2 z^3 + 6 a^26 b^6 y^2 z^3 - 9 a^24 b^8 y^2 z^3 - 24 a^22 b^10 y^2 z^3 + 126 a^20 b^12 y^2 z^3 - 252 a^18 b^14 y^2 z^3 + 294 a^16 b^16 y^2 z^3 - 216 a^14 b^18 y^2 z^3 + 99 a^12 b^20 y^2 z^3 - 26 a^10 b^22 y^2 z^3 + 3 a^8 b^24 y^2 z^3 - 2 a^28 b^2 c^2 y^2 z^3 + 4 a^26 b^4 c^2 y^2 z^3 - 12 a^24 b^6 c^2 y^2 z^3 + 117 a^22 b^8 c^2 y^2 z^3 - 392 a^20 b^10 c^2 y^2 z^3 + 560 a^18 b^12 c^2 y^2 z^3 - 252 a^16 b^14 c^2 y^2 z^3 - 278 a^14 b^16 c^2 y^2 z^3 + 458 a^12 b^18 c^2 y^2 z^3 - 268 a^10 b^20 c^2 y^2 z^3 + 72 a^8 b^22 c^2 y^2 z^3 - 7 a^6 b^24 c^2 y^2 z^3 + 5 a^26 b^2 c^4 y^2 z^3 - 30 a^24 b^4 c^4 y^2 z^3 - 8 a^22 b^6 c^4 y^2 z^3 + 155 a^20 b^8 c^4 y^2 z^3 + 126 a^18 b^10 c^4 y^2 z^3 - 1183 a^16 b^12 c^4 y^2 z^3 + 1890 a^14 b^14 c^4 y^2 z^3 - 1307 a^12 b^16 c^4 y^2 z^3 + 345 a^10 b^18 c^4 y^2 z^3 + 29 a^8 b^20 c^4 y^2 z^3 - 22 a^6 b^22 c^4 y^2 z^3 + 9 a^24 b^2 c^6 y^2 z^3 + 37 a^22 b^4 c^6 y^2 z^3 - 186 a^20 b^6 c^6 y^2 z^3 - 340 a^18 b^8 c^6 y^2 z^3 + 1677 a^16 b^10 c^6 y^2 z^3 - 1563 a^14 b^12 c^6 y^2 z^3 - 292 a^12 b^14 c^6 y^2 z^3 + 1130 a^10 b^16 c^6 y^2 z^3 - 552 a^8 b^18 c^6 y^2 z^3 + 80 a^6 b^20 c^6 y^2 z^3 - 32 a^22 b^2 c^8 y^2 z^3 + 190 a^20 b^4 c^8 y^2 z^3 + 385 a^18 b^6 c^8 y^2 z^3 - 1210 a^16 b^8 c^8 y^2 z^3 - 621 a^14 b^10 c^8 y^2 z^3 + 2970 a^12 b^12 c^8 y^2 z^3 - 2033 a^10 b^14 c^8 y^2 z^3 + 306 a^8 b^16 c^8 y^2 z^3 + 45 a^6 b^18 c^8 y^2 z^3 - 28 a^20 b^2 c^10 y^2 z^3 - 566 a^18 b^4 c^10 y^2 z^3 + 476 a^16 b^6 c^10 y^2 z^3 + 2101 a^14 b^8 c^10 y^2 z^3 - 2626 a^12 b^10 c^10 y^2 z^3 - 146 a^10 b^12 c^10 y^2 z^3 + 994 a^8 b^14 c^10 y^2 z^3 - 205 a^6 b^16 c^10 y^2 z^3 + 210 a^18 b^2 c^12 y^2 z^3 + 488 a^16 b^4 c^12 y^2 z^3 - 1677 a^14 b^6 c^12 y^2 z^3 - 145 a^12 b^8 c^12 y^2 z^3 + 2220 a^10 b^10 c^12 y^2 z^3 - 1065 a^8 b^12 c^12 y^2 z^3 - 31 a^6 b^14 c^12 y^2 z^3 - 350 a^16 b^2 c^14 y^2 z^3 + 80 a^14 b^4 c^14 y^2 z^3 + 1378 a^12 b^6 c^14 y^2 z^3 - 1190 a^10 b^8 c^14 y^2 z^3 - 215 a^8 b^10 c^14 y^2 z^3 + 297 a^6 b^12 c^14 y^2 z^3 + 296 a^14 b^2 c^16 y^2 z^3 - 397 a^12 b^4 c^16 y^2 z^3 - 315 a^10 b^6 c^16 y^2 z^3 + 561 a^8 b^8 c^16 y^2 z^3 - 145 a^6 b^10 c^16 y^2 z^3 - 138 a^12 b^2 c^18 y^2 z^3 + 250 a^10 b^4 c^18 y^2 z^3 - 72 a^8 b^6 c^18 y^2 z^3 - 40 a^6 b^8 c^18 y^2 z^3 + 33 a^10 b^2 c^20 y^2 z^3 - 58 a^8 b^4 c^20 y^2 z^3 + 25 a^6 b^6 c^20 y^2 z^3 - 3 a^8 b^2 c^22 y^2 z^3 + 3 a^6 b^4 c^22 y^2 z^3 + 4 a^26 b^6 x z^4 - 32 a^24 b^8 x z^4 + 108 a^22 b^10 x z^4 - 192 a^20 b^12 x z^4 + 168 a^18 b^14 x z^4 - 168 a^14 b^18 x z^4 + 192 a^12 b^20 x z^4 - 108 a^10 b^22 x z^4 + 32 a^8 b^24 x z^4 - 4 a^6 b^26 x z^4 + 4 a^24 b^6 c^2 x z^4 + 4 a^22 b^8 c^2 x z^4 - 124 a^20 b^10 c^2 x z^4 + 424 a^18 b^12 c^2 x z^4 - 672 a^16 b^14 c^2 x z^4 + 560 a^14 b^16 c^2 x z^4 - 224 a^12 b^18 c^2 x z^4 + 24 a^10 b^20 c^2 x z^4 - 4 a^8 b^22 c^2 x z^4 + 12 a^6 b^24 c^2 x z^4 - 4 a^4 b^26 c^2 x z^4 - 32 a^22 b^6 c^4 x z^4 + 196 a^20 b^8 c^4 x z^4 - 408 a^18 b^10 c^4 x z^4 + 220 a^16 b^12 c^4 x z^4 + 392 a^14 b^14 c^4 x z^4 - 668 a^12 b^16 c^4 x z^4 + 344 a^10 b^18 c^4 x z^4 - 12 a^8 b^20 c^4 x z^4 - 40 a^6 b^22 c^4 x z^4 + 8 a^4 b^24 c^4 x z^4 - 152 a^18 b^8 c^6 x z^4 + 712 a^16 b^10 c^6 x z^4 - 1140 a^14 b^12 c^6 x z^4 + 604 a^12 b^14 c^6 x z^4 + 176 a^10 b^16 c^6 x z^4 - 240 a^8 b^18 c^6 x z^4 + 28 a^6 b^20 c^6 x z^4 + 12 a^4 b^22 c^6 x z^4 + 68 a^18 b^6 c^8 x z^4 - 300 a^16 b^8 c^8 x z^4 + 100 a^14 b^10 c^8 x z^4 + 784 a^12 b^12 c^8 x z^4 - 924 a^10 b^14 c^8 x z^4 + 156 a^8 b^16 c^8 x z^4 + 148 a^6 b^18 c^8 x z^4 - 32 a^4 b^20 c^8 x z^4 - 4 a^16 b^6 c^10 x z^4 + 368 a^14 b^8 c^10 x z^4 - 832 a^12 b^10 c^10 x z^4 + 276 a^10 b^12 c^10 x z^4 + 472 a^8 b^14 c^10 x z^4 - 260 a^6 b^16 c^10 x z^4 - 20 a^4 b^18 c^10 x z^4 - 104 a^14 b^6 c^12 x z^4 + 72 a^12 b^8 c^12 x z^4 + 432 a^10 b^10 c^12 x z^4 - 560 a^8 b^12 c^12 x z^4 + 56 a^6 b^14 c^12 x z^4 + 104 a^4 b^16 c^12 x z^4 + 72 a^12 b^6 c^14 x z^4 - 220 a^10 b^8 c^14 x z^4 + 116 a^8 b^10 c^14 x z^4 + 140 a^6 b^12 c^14 x z^4 - 108 a^4 b^14 c^14 x z^4 + 48 a^8 b^8 c^16 x z^4 - 96 a^6 b^10 c^16 x z^4 + 48 a^4 b^12 c^16 x z^4 - 8 a^8 b^6 c^18 x z^4 + 16 a^6 b^8 c^18 x z^4 - 8 a^4 b^10 c^18 x z^4 + 4 a^26 b^6 y z^4 - 32 a^24 b^8 y z^4 + 108 a^22 b^10 y z^4 - 192 a^20 b^12 y z^4 + 168 a^18 b^14 y z^4 - 168 a^14 b^18 y z^4 + 192 a^12 b^20 y z^4 - 108 a^10 b^22 y z^4 + 32 a^8 b^24 y z^4 - 4 a^6 b^26 y z^4 + 4 a^26 b^4 c^2 y z^4 - 12 a^24 b^6 c^2 y z^4 + 4 a^22 b^8 c^2 y z^4 - 24 a^20 b^10 c^2 y z^4 + 224 a^18 b^12 c^2 y z^4 - 560 a^16 b^14 c^2 y z^4 + 672 a^14 b^16 c^2 y z^4 - 424 a^12 b^18 c^2 y z^4 + 124 a^10 b^20 c^2 y z^4 - 4 a^8 b^22 c^2 y z^4 - 4 a^6 b^24 c^2 y z^4 - 8 a^24 b^4 c^4 y z^4 + 40 a^22 b^6 c^4 y z^4 + 12 a^20 b^8 c^4 y z^4 - 344 a^18 b^10 c^4 y z^4 + 668 a^16 b^12 c^4 y z^4 - 392 a^14 b^14 c^4 y z^4 - 220 a^12 b^16 c^4 y z^4 + 408 a^10 b^18 c^4 y z^4 - 196 a^8 b^20 c^4 y z^4 + 32 a^6 b^22 c^4 y z^4 - 12 a^22 b^4 c^6 y z^4 - 28 a^20 b^6 c^6 y z^4 + 240 a^18 b^8 c^6 y z^4 - 176 a^16 b^10 c^6 y z^4 - 604 a^14 b^12 c^6 y z^4 + 1140 a^12 b^14 c^6 y z^4 - 712 a^10 b^16 c^6 y z^4 + 152 a^8 b^18 c^6 y z^4 + 32 a^20 b^4 c^8 y z^4 - 148 a^18 b^6 c^8 y z^4 - 156 a^16 b^8 c^8 y z^4 + 924 a^14 b^10 c^8 y z^4 - 784 a^12 b^12 c^8 y z^4 - 100 a^10 b^14 c^8 y z^4 + 300 a^8 b^16 c^8 y z^4 - 68 a^6 b^18 c^8 y z^4 + 20 a^18 b^4 c^10 y z^4 + 260 a^16 b^6 c^10 y z^4 - 472 a^14 b^8 c^10 y z^4 - 276 a^12 b^10 c^10 y z^4 + 832 a^10 b^12 c^10 y z^4 - 368 a^8 b^14 c^10 y z^4 + 4 a^6 b^16 c^10 y z^4 - 104 a^16 b^4 c^12 y z^4 - 56 a^14 b^6 c^12 y z^4 + 560 a^12 b^8 c^12 y z^4 - 432 a^10 b^10 c^12 y z^4 - 72 a^8 b^12 c^12 y z^4 + 104 a^6 b^14 c^12 y z^4 + 108 a^14 b^4 c^14 y z^4 - 140 a^12 b^6 c^14 y z^4 - 116 a^10 b^8 c^14 y z^4 + 220 a^8 b^10 c^14 y z^4 - 72 a^6 b^12 c^14 y z^4 - 48 a^12 b^4 c^16 y z^4 + 96 a^10 b^6 c^16 y z^4 - 48 a^8 b^8 c^16 y z^4 + 8 a^10 b^4 c^18 y z^4 - 16 a^8 b^6 c^18 y z^4 + 8 a^6 b^8 c^18 y z^4 = 0