A1 = (-a^2 (a^38+7 a^36 (b^2+c^2)+a^34 (-49 b^4+68 b^2 c^2-49 c^4)+a^32 (-103 b^6+59 b^4 c^2+59 b^2 c^4-103 c^6)+4 a^30 (289 b^8-540 b^6 c^2+558 b^4 c^4-540 b^2 c^6+289 c^8)-4 a^26 (b^2-c^2)^2 (773 b^8-4638 b^6 c^2+562 b^4 c^4-4638 b^2 c^6+773 c^8)-4 a^28 (537 b^10-383 b^8 c^2-138 b^6 c^4-138 b^4 c^6-383 b^2 c^8+537 c^10)+4 a^24 (b^2-c^2)^2 (5005 b^10-8447 b^8 c^2-4678 b^6 c^4-4678 b^4 c^6-8447 b^2 c^8+5005 c^10)-2 a^22 (b^2-c^2)^2 (18577 b^12+14298 b^10 c^2-76689 b^8 c^4+34892 b^6 c^6-76689 b^4 c^8+14298 b^2 c^10+18577 c^12)-(b^2-c^2)^12 (15 b^14+209 b^12 c^2+1043 b^10 c^4+2317 b^8 c^6+2317 b^6 c^8+1043 b^4 c^10+209 b^2 c^12+15 c^14)+2 a^20 (b^2-c^2)^2 (14729 b^14+102971 b^12 c^2-142695 b^10 c^4-2653 b^8 c^6-2653 b^6 c^8-142695 b^4 c^10+102971 b^2 c^12+14729 c^14)+a^2 (b^2-c^2)^10 (55 b^16-70 b^14 c^2-4584 b^12 c^4-20314 b^10 c^6-32094 b^8 c^8-20314 b^6 c^10-4584 b^4 c^12-70 b^2 c^14+55 c^16)+2 a^18 (b^2-c^2)^2 (3289 b^16-169994 b^14 c^2+680 b^12 c^4+335146 b^10 c^6-305474 b^8 c^8+335146 b^6 c^10+680 b^4 c^12-169994 b^2 c^14+3289 c^16)+4 a^14 (b^2-c^2)^4 (9373 b^16+26240 b^14 c^2-212220 b^12 c^4-307296 b^10 c^6-29570 b^8 c^8-307296 b^6 c^10-212220 b^4 c^12+26240 b^2 c^14+9373 c^16)+a^4 (b^2-c^2)^8 (287 b^18+6039 b^16 c^2+23484 b^14 c^4-3060 b^12 c^6-108670 b^10 c^8-108670 b^8 c^10-3060 b^6 c^12+23484 b^4 c^14+6039 b^2 c^16+287 c^18)-4 a^12 (b^2-c^2)^4 (3637 b^18+51217 b^16 c^2-48800 b^14 c^4-359576 b^12 c^6-15118 b^10 c^8-15118 b^8 c^10-359576 b^6 c^12-48800 b^4 c^14+51217 b^2 c^16+3637 c^18)-2 a^16 (b^2-c^2)^2 (19201 b^18-116379 b^16 c^2-344952 b^14 c^4+637696 b^12 c^6-191470 b^10 c^8-191470 b^8 c^10+637696 b^6 c^12-344952 b^4 c^14-116379 b^2 c^16+19201 c^18)-4 a^10 (b^2-c^2)^4 (681 b^20-30748 b^18 c^2-62299 b^16 c^4+212560 b^14 c^6+169010 b^12 c^8-250728 b^10 c^10+169010 b^8 c^12+212560 b^6 c^14-62299 b^4 c^16-30748 b^2 c^18+681 c^20)-a^6 (b^2-c^2)^6 (2263 b^20+13658 b^18 c^2-42005 b^16 c^4-229512 b^14 c^6-35778 b^12 c^8+320604 b^10 c^10-35778 b^8 c^12-229512 b^6 c^14-42005 b^4 c^16+13658 b^2 c^18+2263 c^20)+4 a^8 (b^2-c^2)^4 (1361 b^22-5753 b^20 c^2-57557 b^18 c^4+28205 b^16 c^6+213874 b^14 c^8-147362 b^12 c^10-147362 b^10 c^12+213874 b^8 c^14+28205 b^6 c^16-57557 b^4 c^18-5753 b^2 c^20+1361 c^22)):
b^2 (-3 a^38-a^36 (13 b^2+10 c^2)+a^34 (179 b^4-224 b^2 c^2+99 c^4)+a^32 (-179 b^6+288 b^4 c^2+121 b^2 c^4+58 c^6)-4 a^30 (707 b^8-1732 b^6 c^2+2040 b^4 c^4-1086 b^2 c^6+343 c^8)+4 a^28 (3443 b^10-7042 b^8 c^2+4320 b^6 c^4+604 b^4 c^6-1583 b^2 c^8+578 c^10)-4 a^26 (7473 b^12-5508 b^10 c^2-21307 b^8 c^4+35818 b^6 c^6-22003 b^4 c^8+6594 b^2 c^10-939 c^12)+(b^2-c^2)^13 (5 b^12+65 b^10 c^2+280 b^8 c^4+442 b^6 c^6+173 b^4 c^8+53 b^2 c^10+6 c^12)+4 a^24 (8177 b^14+24880 b^12 c^2-102567 b^10 c^4+90726 b^8 c^6-1685 b^6 c^8-35060 b^4 c^10+20123 b^2 c^12-4594 c^14)-a^2 (b^2-c^2)^11 (5 b^14-217 b^12 c^2-2353 b^10 c^4-7211 b^8 c^6-7333 b^6 c^8-2903 b^4 c^10-463 b^2 c^12-5 c^14)-2 a^20 (b^2-c^2)^2 (15587 b^14-147268 b^12 c^2-314179 b^10 c^4+514134 b^8 c^6+32845 b^6 c^8-203952 b^4 c^10+69331 b^2 c^12+3806 c^14)-2 a^22 (3341 b^16+152152 b^14 c^2-296728 b^12 c^4-96364 b^10 c^6+562318 b^8 c^8-433728 b^6 c^10+101736 b^4 c^12+19860 b^2 c^14-12587 c^16)+2 a^18 (b^2-c^2)^2 (22165 b^16-18062 b^14 c^2-588108 b^12 c^4+317266 b^10 c^6+800710 b^8 c^8-599114 b^6 c^10-12076 b^4 c^12+78982 b^2 c^14-9955 c^16)-a^4 (b^2-c^2)^9 (149 b^16+1879 b^14 c^2+2219 b^12 c^4-23685 b^10 c^6-58511 b^8 c^8-34027 b^6 c^10-4391 b^4 c^12+1497 b^2 c^14+182 c^16)-2 a^16 (b^2-c^2)^3 (12181 b^16+116975 b^14 c^2-335361 b^12 c^4-850473 b^10 c^6+685457 b^8 c^8+406501 b^6 c^10-277331 b^4 c^12+15445 b^2 c^14+13614 c^16)-4 a^14 (b^2-c^2)^3 (247 b^18-53607 b^16 c^2-39866 b^14 c^4+475908 b^12 c^6+3536 b^10 c^8-567686 b^8 c^10+154514 b^6 c^12+93148 b^4 c^14-38623 b^2 c^16-2995 c^18)+4 a^12 (b^2-c^2)^4 (2279 b^18-13598 b^16 c^2-132458 b^14 c^4+61196 b^12 c^6+474472 b^10 c^8-82876 b^8 c^10-221134 b^6 c^12+58508 b^4 c^14+26281 b^2 c^16-638 c^18)+4 a^8 (b^2-c^2)^6 (69 b^18+5502 b^16 c^2+12854 b^14 c^4-61140 b^12 c^6-119532 b^10 c^8+41788 b^8 c^10+79682 b^6 c^12+5772 b^4 c^14-5649 b^2 c^16-306 c^18)+a^6 (b^2-c^2)^7 (517 b^18-1389 b^16 c^2-37044 b^14 c^4-56324 b^12 c^6+136830 b^10 c^8+194106 b^8 c^10+4428 b^6 c^12-38900 b^4 c^14-5915 b^2 c^16+299 c^18)-4 a^10 (b^2-c^2)^4 (1157 b^20+6856 b^18 c^2-55205 b^16 c^4-116146 b^14 c^6+266384 b^12 c^8+163830 b^10 c^10-278996 b^8 c^12-22038 b^6 c^14+66387 b^4 c^16+1674 b^2 c^18-1135 c^20)):
c^2 (-3 a^38-a^36 (10 b^2+13 c^2)+a^34 (99 b^4-224 b^2 c^2+179 c^4)+a^32 (58 b^6+121 b^4 c^2+288 b^2 c^4-179 c^6)-4 a^30 (343 b^8-1086 b^6 c^2+2040 b^4 c^4-1732 b^2 c^6+707 c^8)+4 a^28 (578 b^10-1583 b^8 c^2+604 b^6 c^4+4320 b^4 c^6-7042 b^2 c^8+3443 c^10)+4 a^26 (939 b^12-6594 b^10 c^2+22003 b^8 c^4-35818 b^6 c^6+21307 b^4 c^8+5508 b^2 c^10-7473 c^12)-(b^2-c^2)^13 (6 b^12+53 b^10 c^2+173 b^8 c^4+442 b^6 c^6+280 b^4 c^8+65 b^2 c^10+5 c^12)-4 a^24 (4594 b^14-20123 b^12 c^2+35060 b^10 c^4+1685 b^8 c^6-90726 b^6 c^8+102567 b^4 c^10-24880 b^2 c^12-8177 c^14)-a^2 (b^2-c^2)^11 (5 b^14+463 b^12 c^2+2903 b^10 c^4+7333 b^8 c^6+7211 b^6 c^8+2353 b^4 c^10+217 b^2 c^12-5 c^14)-2 a^20 (b^2-c^2)^2 (3806 b^14+69331 b^12 c^2-203952 b^10 c^4+32845 b^8 c^6+514134 b^6 c^8-314179 b^4 c^10-147268 b^2 c^12+15587 c^14)-2 a^18 (b^2-c^2)^2 (9955 b^16-78982 b^14 c^2+12076 b^12 c^4+599114 b^10 c^6-800710 b^8 c^8-317266 b^6 c^10+588108 b^4 c^12+18062 b^2 c^14-22165 c^16)+2 a^22 (12587 b^16-19860 b^14 c^2-101736 b^12 c^4+433728 b^10 c^6-562318 b^8 c^8+96364 b^6 c^10+296728 b^4 c^12-152152 b^2 c^14-3341 c^16)+a^4 (b^2-c^2)^9 (182 b^16+1497 b^14 c^2-4391 b^12 c^4-34027 b^10 c^6-58511 b^8 c^8-23685 b^6 c^10+2219 b^4 c^12+1879 b^2 c^14+149 c^16)+2 a^16 (b^2-c^2)^3 (13614 b^16+15445 b^14 c^2-277331 b^12 c^4+406501 b^10 c^6+685457 b^8 c^8-850473 b^6 c^10-335361 b^4 c^12+116975 b^2 c^14+12181 c^16)-4 a^12 (b^2-c^2)^4 (638 b^18-26281 b^16 c^2-58508 b^14 c^4+221134 b^12 c^6+82876 b^10 c^8-474472 b^8 c^10-61196 b^6 c^12+132458 b^4 c^14+13598 b^2 c^16-2279 c^18)-4 a^14 (b^2-c^2)^3 (2995 b^18+38623 b^16 c^2-93148 b^14 c^4-154514 b^12 c^6+567686 b^10 c^8-3536 b^8 c^10-475908 b^6 c^12+39866 b^4 c^14+53607 b^2 c^16-247 c^18)-4 a^8 (b^2-c^2)^6 (306 b^18+5649 b^16 c^2-5772 b^14 c^4-79682 b^12 c^6-41788 b^10 c^8+119532 b^8 c^10+61140 b^6 c^12-12854 b^4 c^14-5502 b^2 c^16-69 c^18)-a^6 (b^2-c^2)^7 (299 b^18-5915 b^16 c^2-38900 b^14 c^4+4428 b^12 c^6+194106 b^10 c^8+136830 b^8 c^10-56324 b^6 c^12-37044 b^4 c^14-1389 b^2 c^16+517 c^18)+4 a^10 (b^2-c^2)^4 (1135 b^20-1674 b^18 c^2-66387 b^16 c^4+22038 b^14 c^6+278996 b^12 c^8-163830 b^10 c^10-266384 b^8 c^12+116146 b^6 c^14+55205 b^4 c^16-6856 b^2 c^18-1157 c^20)))