i13 : homot = makeHomotopies(f,F,5)
o13 = HashTable{{{0, 0}, 0} => 0 }
{{0, 0}, 1} => | a2 b2 c2 d2 |
{{0, 0}, 2} => {2} | -b2 -c2 0 -d2 0 0 |
{2} | a2 0 -c2 0 -d2 0 |
{2} | 0 a2 b2 0 0 -d2 |
{2} | 0 0 0 a2 b2 c2 |
{{0, 0}, 3} => {4} | c2 d2 0 0 |
{4} | -b2 0 d2 0 |
{4} | a2 0 0 d2 |
{4} | 0 -b2 -c2 0 |
{4} | 0 a2 0 -c2 |
{4} | 0 0 a2 b2 |
{{0, 0}, 4} => {6} | -d2 |
{6} | c2 |
{6} | -b2 |
{6} | a2 |
{{0, 0}, 5} => 0
{{0, 0}, 6} => 0
{{0, 1}, -1} => 0
{{0, 1}, 0} => {2} | 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd |
{2} | 10370ab2-7092b3-9702abc-6627b2c+8886abd+4700b2d-15acd+5969bcd |
{2} | 13707a3+2177a2b-7028ab2+9797b3-7021a2c+6377abc+5874b2c-7600ac2-11726bc2+1140c3+1206a2d-11435abd+9074b2d-6040acd+8022bcd+3968c2d |
{2} | -994a3-1946a2b-6723ab2-5483b3-6453a2c-1192abc-15250b2c-3164ac2+295bc2-7650c3-11045a2d-15333abd+10567b2d-3560acd+2292bcd+14388c2d-7194ad2+6245bd2-8639cd2+9426d3 |
{{0, 1}, 1} => {4} | -10370ab2+7092b3+9702abc+6627b2c+7028ac2-9797bc2-5874c3-8886abd-4700b2d+15acd-5969bcd-9074c2d+6723ad2+5483bd2+15250cd2-10567d3 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd 0 0 |
{4} | -13707a3-2177a2b+7021a2c-6377abc+7600ac2+11726bc2-1140c3-1206a2d+11435abd+6040acd-8022bcd-3968c2d+3164ad2-295bd2+7650cd2-14388d3 0 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd 0 |
{4} | 7028a3-9797a2b-5874a2c-9074a2d -13707a3-2177a2b+7028ab2-9797b3+7021a2c-6377abc-5874b2c+7600ac2+11726bc2-1140c3-1206a2d+11435abd-9074b2d+6040acd-8022bcd-3968c2d+3164ad2-295bd2+7650cd2-14388d3 10370ab2-7092b3-9702abc-6627b2c+8886abd+4700b2d-15acd+5969bcd 0 |
{4} | 994a3+1946a2b+6453a2c+1192abc+11045a2d+15333abd+3560acd-2292bcd+7194ad2-6245bd2+8639cd2-9426d3 0 0 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd |
{4} | 6723a3+5483a2b+15250a2c-10567a2d 994a3+1946a2b+6723ab2+5483b3+6453a2c+1192abc+15250b2c+11045a2d+15333abd-10567b2d+3560acd-2292bcd+7194ad2-6245bd2+8639cd2-9426d3 0 10370ab2-7092b3-9702abc-6627b2c+8886abd+4700b2d-15acd+5969bcd |
{4} | 3164a3-295a2b+7650a2c-14388a2d 3164ab2-295b3+7650b2c-14388b2d 994a3+1946a2b+6723ab2+5483b3+6453a2c+1192abc+15250b2c+3164ac2-295bc2+7650c3+11045a2d+15333abd-10567b2d+3560acd-2292bcd-14388c2d+7194ad2-6245bd2+8639cd2-9426d3 13707a3+2177a2b-7028ab2+9797b3-7021a2c+6377abc+5874b2c-7600ac2-11726bc2+1140c3+1206a2d-11435abd+9074b2d-6040acd+8022bcd+3968c2d |
{{0, 1}, 2} => {6} | 13707a3+2177a2b-7021a2c+6377abc-7600ac2-11726bc2+1140c3+1206a2d-11435abd-6040acd+8022bcd+3968c2d-3164ad2+295bd2-7650cd2+14388d3 -10370ab2+7092b3+9702abc+6627b2c+7028ac2-9797bc2-5874c3-8886abd-4700b2d+15acd-5969bcd-9074c2d+5483bd2+15250cd2-10567d3 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd 7028ad2 0 0 |
{6} | -994a3-1946a2b-6453a2c-1192abc-11045a2d-15333abd-3560acd+2292bcd-7194ad2+6245bd2-8639cd2+9426d3 6723ac2 0 -10370ab2+7092b3+9702abc+6627b2c-9797bc2-5874c3-8886abd-4700b2d+15acd-5969bcd-9074c2d+6723ad2+5483bd2+15250cd2-10567d3 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd 0 |
{6} | 0 -994a3-1946a2b-6723ab2-6453a2c-1192abc-11045a2d-15333abd-3560acd+2292bcd-7194ad2+6245bd2-8639cd2+9426d3 0 -13707a3-2177a2b+7028ab2+7021a2c-6377abc+7600ac2+11726bc2-1140c3-1206a2d+11435abd+6040acd-8022bcd-3968c2d+3164ad2-295bd2+7650cd2-14388d3 0 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd |
{6} | 0 -5483a2b-15250a2c+10567a2d -994a3-1946a2b-6723ab2-5483b3-6453a2c-1192abc-15250b2c-11045a2d-15333abd+10567b2d-3560acd+2292bcd-7194ad2+6245bd2-8639cd2+9426d3 -9797a2b-5874a2c-9074a2d -13707a3-2177a2b+7028ab2-9797b3+7021a2c-6377abc-5874b2c+7600ac2+11726bc2-1140c3-1206a2d+11435abd-9074b2d+6040acd-8022bcd-3968c2d+3164ad2-295bd2+7650cd2-14388d3 10370ab2-7092b3-9702abc-6627b2c+8886abd+4700b2d-15acd+5969bcd |
{{0, 1}, 3} => {8} | 994a3+1946a2b+6723ab2+6453a2c+1192abc+11045a2d+15333abd+3560acd-2292bcd+7194ad2-6245bd2+8639cd2-9426d3 13707a3+2177a2b-7028ab2-7021a2c+6377abc-7600ac2-11726bc2+1140c3+1206a2d-11435abd-6040acd+8022bcd+3968c2d-3164ad2+295bd2-7650cd2+14388d3 -10370ab2+7092b3+9702abc+6627b2c-9797bc2-5874c3-8886abd-4700b2d+15acd-5969bcd-9074c2d+5483bd2+15250cd2-10567d3 1236a3+8922a2b-3589ab2+8971b3-5006a2c-5599abc-14165b2c+8880a2d+4259abd-3002b2d-13892acd-10521bcd |
{{0, 1}, 4} => 0
{{0, 1}, 5} => 0
{{0, 2}, -1} => 0
{{0, 2}, 0} => {6} | -13795a4+2019a3b+13769a2b2+7586ab3+8649b4+6454a3c-10187a2bc-1783ab2c+9219b3c+5513a2c2+10558abc2+2590b2c2+11624a3d-5603a2bd+14058ab2d-12615b3d+7869a2cd-2052abcd-1831b2cd+6042ac2d-2561bc2d-8709a2d2-13219abd2+4209b2d2+12225acd2-2605bcd2-92c2d2+15968ad3+14860bd3-8829cd3-11274d4 |
{6} | 11152a4-1336a3b+11846a2b2+10264ab3+618b4-11051a3c+12129a2bc+5927ab2c+489b3c-15383a2c2+507abc2-13804b2c2-8416ac3+92c4-11057a3d-5113a2bd-2762ab2d+14095b3d-1588a2cd+2000abcd-2080b2cd+9175ac2d-649bc2d+8829c3d+2164a2d2+8635abd2-7161b2d2+997acd2+3015bcd2+11274c2d2 |
{6} | -6338a4+10025a3b+14987a3c-9959a2bc-11691a2c2+12336abc2-7786a3d-1156a2bd+4960a2cd-5589abcd-8163ac2d-1895bc2d+9464a2d2-7253abd2+12642acd2-1958bcd2 |
{6} | 2275a4-239a3b+14594a2b2-8153ab3-11945b4-8416a3c+6251a2bc-3023ab2c+5933b3c+92a2c2+5343abc2+3798b2c2-15968a3d+473a2bd+13293ab2d-3761b3d-7717a2cd-7389abcd+4723b2cd-13262ac2d+5431bc2d+11274a2d2-217abd2+1261b2d2+8201acd2-14080bcd2 |
{{0, 2}, 1} => {8} | -9576a4-9957a3b+9804a2b2+14091a3c+13144a2bc+13899a2c2-10509abc2+15503ac3+12129a3d+14784a2bd-10608a2cd-3816abcd-13638ac2d-6159a2d2-14648abd2+3072acd2-14263ad3 -2275a2b2+239ab3+9804b4+8416ab2c-92b2c2+15968ab2d+14860b3d-8829b2cd-11274b2d2 -7648a3b-13261a2b2+3358ab3-618b4-767a3c-5580a2bc-15560ab2c-489b3c+15383a2c2-507abc2+13804b2c2+8416ac3-92c4-3588a3d+14541a2bd-8685ab2d-14095b3d+12750a2cd+4053abcd+2080b2cd-9175ac2d+649bc2d-8829c3d-2164a2d2-8635abd2+7161b2d2-997acd2-3015bcd2-11274c2d2 11958a3b+8641a2b2+9864ab3+8649b4-4417a3c+3731a2bc+7930ab2c+9219b3c+5513a2c2+10558abc2+2590b2c2+14414a3d+3844a2bd+5979ab2d-12615b3d-15957a2cd+15293abcd-1831b2cd+6042ac2d-2561bc2d-8709a2d2-13219abd2+4209b2d2+12225acd2-2605bcd2-92c2d2+15968ad3+14860bd3-8829cd3-11274d4 |
{{0, 2}, 2} => 0
{{0, 3}, -1} => 0
{{0, 3}, 0} => 0
{{0, 4}, -1} => 0
{{0, 5}, -1} => 0
{{1, 0}, -1} => 0
{{1, 0}, 0} => {2} | 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd |
{2} | 8231ab2+13177b3+5864abc+13990b2c+5026abd-11521b2d-7501acd-1779bcd |
{2} | -15344a3+2653a2b+10259ab2-1309b3+12365a2c-7216abc+5398b2c+6230ac2-5326bc2+1031c3-13508a2d-10125abd+5549b2d+9033acd+2998bcd-2036c2d |
{2} | -10480a3-6203a2b+9534ab2+10866b3-9480a2c+7256abc-7061b2c+5107ac2+5679bc2-6325c3-11950a2d-5321abd+2627b2d-3996acd-7152bcd-11740c2d+9398ad2+15317bd2-6922cd2-5080d3 |
{{1, 0}, 1} => {4} | -8231ab2-13177b3-5864abc-13990b2c-10259ac2+1309bc2-5398c3-5026abd+11521b2d+7501acd+1779bcd-5549c2d-9534ad2-10866bd2+7061cd2-2627d3 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd 0 0 |
{4} | 15344a3-2653a2b-12365a2c+7216abc-6230ac2+5326bc2-1031c3+13508a2d+10125abd-9033acd-2998bcd+2036c2d-5107ad2-5679bd2+6325cd2+11740d3 0 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd 0 |
{4} | -10259a3+1309a2b-5398a2c-5549a2d 15344a3-2653a2b-10259ab2+1309b3-12365a2c+7216abc-5398b2c-6230ac2+5326bc2-1031c3+13508a2d+10125abd-5549b2d-9033acd-2998bcd+2036c2d-5107ad2-5679bd2+6325cd2+11740d3 8231ab2+13177b3+5864abc+13990b2c+5026abd-11521b2d-7501acd-1779bcd 0 |
{4} | 10480a3+6203a2b+9480a2c-7256abc+11950a2d+5321abd+3996acd+7152bcd-9398ad2-15317bd2+6922cd2+5080d3 0 0 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd |
{4} | -9534a3-10866a2b+7061a2c-2627a2d 10480a3+6203a2b-9534ab2-10866b3+9480a2c-7256abc+7061b2c+11950a2d+5321abd-2627b2d+3996acd+7152bcd-9398ad2-15317bd2+6922cd2+5080d3 0 8231ab2+13177b3+5864abc+13990b2c+5026abd-11521b2d-7501acd-1779bcd |
{4} | -5107a3-5679a2b+6325a2c+11740a2d -5107ab2-5679b3+6325b2c+11740b2d 10480a3+6203a2b-9534ab2-10866b3+9480a2c-7256abc+7061b2c-5107ac2-5679bc2+6325c3+11950a2d+5321abd-2627b2d+3996acd+7152bcd+11740c2d-9398ad2-15317bd2+6922cd2+5080d3 -15344a3+2653a2b+10259ab2-1309b3+12365a2c-7216abc+5398b2c+6230ac2-5326bc2+1031c3-13508a2d-10125abd+5549b2d+9033acd+2998bcd-2036c2d |
{{1, 0}, 2} => {6} | -15344a3+2653a2b+12365a2c-7216abc+6230ac2-5326bc2+1031c3-13508a2d-10125abd+9033acd+2998bcd-2036c2d+5107ad2+5679bd2-6325cd2-11740d3 -8231ab2-13177b3-5864abc-13990b2c-10259ac2+1309bc2-5398c3-5026abd+11521b2d+7501acd+1779bcd-5549c2d-10866bd2+7061cd2-2627d3 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd -10259ad2 0 0 |
{6} | -10480a3-6203a2b-9480a2c+7256abc-11950a2d-5321abd-3996acd-7152bcd+9398ad2+15317bd2-6922cd2-5080d3 -9534ac2 0 -8231ab2-13177b3-5864abc-13990b2c+1309bc2-5398c3-5026abd+11521b2d+7501acd+1779bcd-5549c2d-9534ad2-10866bd2+7061cd2-2627d3 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd 0 |
{6} | 0 -10480a3-6203a2b+9534ab2-9480a2c+7256abc-11950a2d-5321abd-3996acd-7152bcd+9398ad2+15317bd2-6922cd2-5080d3 0 15344a3-2653a2b-10259ab2-12365a2c+7216abc-6230ac2+5326bc2-1031c3+13508a2d+10125abd-9033acd-2998bcd+2036c2d-5107ad2-5679bd2+6325cd2+11740d3 0 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd |
{6} | 0 10866a2b-7061a2c+2627a2d -10480a3-6203a2b+9534ab2+10866b3-9480a2c+7256abc-7061b2c-11950a2d-5321abd+2627b2d-3996acd-7152bcd+9398ad2+15317bd2-6922cd2-5080d3 1309a2b-5398a2c-5549a2d 15344a3-2653a2b-10259ab2+1309b3-12365a2c+7216abc-5398b2c-6230ac2+5326bc2-1031c3+13508a2d+10125abd-5549b2d-9033acd-2998bcd+2036c2d-5107ad2-5679bd2+6325cd2+11740d3 8231ab2+13177b3+5864abc+13990b2c+5026abd-11521b2d-7501acd-1779bcd |
{{1, 0}, 3} => {8} | 10480a3+6203a2b-9534ab2+9480a2c-7256abc+11950a2d+5321abd+3996acd+7152bcd-9398ad2-15317bd2+6922cd2+5080d3 -15344a3+2653a2b+10259ab2+12365a2c-7216abc+6230ac2-5326bc2+1031c3-13508a2d-10125abd+9033acd+2998bcd-2036c2d+5107ad2+5679bd2-6325cd2-11740d3 -8231ab2-13177b3-5864abc-13990b2c+1309bc2-5398c3-5026abd+11521b2d+7501acd+1779bcd-5549c2d-10866bd2+7061cd2-2627d3 107a3+4376a2b+3783ab2+10359b3-5570a2c-5307abc-7464b2c+3187a2d+8570abd-8251b2d+8444acd+5071bcd |
{{1, 0}, 4} => 0
{{1, 0}, 5} => 0
{{1, 1}, -1} => 0
{{1, 1}, 0} => {6} | -8991a4+8982a3b+13320a2b2-7229ab3+7672b4-13689a3c+10065a2bc-8787ab2c-1726b3c+9033a2c2-14966abc2-6929b2c2+11993a3d+13593a2bd+8103ab2d-14054b3d-4240a2cd-9187abcd-14685b2cd-10581ac2d+5228bc2d-15866a2d2-1793abd2-12245b2d2+12283acd2+6730bcd2+8527c2d2+5942ad3+14925bd3-296cd3+8084d4 |
{6} | -8375a4-225a3b-11039a2b2-10196ab3+4676b4+2695a3c-8977a2bc-15950ab2c-7421b3c-14919a2c2-11346abc2+14172b2c2+1910ac3+11656bc3-8527c4-8979a3d-8104a2bd+8734ab2d+5218b3d-12802a2cd-12618abcd-5728b2cd+5347ac2d+13394bc2d+296c3d+7446a2d2+10046abd2+6342b2d2-7480acd2-7843bcd2-8084c2d2 |
{6} | -10857a4+14166a3b-858a3c+5335a2bc-5513a2c2+5100abc2-10723a3d-1870a2bd-9822a2cd+2760abcd+4119ac2d+5574bc2d+8831a2d2-14373abd2+13676acd2+11671bcd2 |
{6} | -5508a4+13660a3b+15336a2b2-13943ab3-842b4+1910a3c+12230a2bc-9252ab2c-6448b3c-8527a2c2-7998abc2-13623b2c2-5942a3d-11150a2bd-12791ab2d-12401b3d+6638a2cd+13439abcd-12371b2cd+137ac2d-14313bc2d-8084a2d2-4552abd2+6564b2d2+5813acd2-15345bcd2 |
{{1, 1}, 1} => {8} | 5224a4-8330a3b-13153a2b2+12206a3c+13138a2bc+4498a2c2+13864abc2-978ac3-4062a3d+11982a2bd+9472a2cd+10055abcd+5890ac2d-9307a2d2+11737abd2+1337acd2-11793ad3 5508a2b2-13660ab3-13153b4-1910ab2c-11656b3c+8527b2c2+5942ab2d+14925b3d-296b2cd+8084b2d2 -10492a3b+13996a2b2-9338ab3-4676b4-9826a3c+4731a2bc-12735ab2c+7421b3c+14919a2c2+11346abc2-14172b2c2-1910ac3-11656bc3+8527c4+6770a3d-9107a2bd-8846ab2d-5218b3d-802a2cd-6332abcd+5728b2cd-5347ac2d-13394bc2d-296c3d-7446a2d2-10046abd2-6342b2d2+7480acd2+7843bcd2+8084c2d2 6409a3b-10151a2b2-3863ab3+7672b4+3762a3c-9280a2bc+12253ab2c-1726b3c+9033a2c2-14966abc2-6929b2c2-11253a3d+4921a2bd-11860ab2d-14054b3d+15299a2cd-718abcd-14685b2cd-10581ac2d+5228bc2d-15866a2d2-1793abd2-12245b2d2+12283acd2+6730bcd2+8527c2d2+5942ad3+14925bd3-296cd3+8084d4 |
{{1, 1}, 2} => 0
{{1, 2}, -1} => 0
{{1, 2}, 0} => 0
{{1, 3}, -1} => 0
{{1, 4}, -1} => 0
{{2, 0}, -1} => 0
{{2, 0}, 0} => {6} | 9611a4+13127a3b-9489a2b2-464ab3+9341b4-15743a3c-9530a2bc+14935ab2c-13901b3c+15960a2c2-4501abc2+1105b2c2+6056a3d-11857a2bd+13748ab2d-11752b3d-12345a2cd-14908abcd-9894b2cd+8440ac2d+10693bc2d+12062a2d2-13626abd2+4247b2d2-12703acd2+2957bcd2-5375c2d2-10305ad3+8297bd3+10663cd3+6341d4 |
{6} | -3958a4-574a3b-7101a2b2+15674ab3+6343b4+1142a3c+9820a2bc-4821ab2c+5737b3c+5028a2c2+9312abc2+1610b2c2-15936ac3+5385bc3+5375c4+7073a3d+12092a2bd+8241ab2d-4420b3d+5234a2cd+7006abcd-14921b2cd+8810ac2d-3271bc2d-10663c3d-12537a2d2+15281abd2-9346b2d2+4309acd2+8269bcd2-6341c2d2 |
{6} | 2398a4+9734a3b-35a3c-4979a2bc-5053a2c2-4372abc2+10422a3d-5261a2bd-2750a2cd-9680abcd+4707ac2d-7069bc2d-3873a2d2+5632abd2+12734acd2-7960bcd2 |
{6} | 6945a4+12098a3b-8978a2b2+12099ab3+9169b4-15936a3c-1975a2bc+10573ab2c+9051b3c+5375a2c2+1677abc2+1545b2c2+10305a3d-6921a2bd-3135ab2d-9105b3d-10679a2cd-14065abcd+6297b2cd+15379ac2d-12881bc2d-6341a2d2+8292abd2+11862b2d2-10516acd2-12499bcd2 |
{{2, 0}, 1} => {8} | 12798a4-6040a3b-7247a2b2-3128a3c-14165a2bc-4627a2c2-10677abc2-4633ac3+3338a3d-4025a2bd+10993a2cd+6258abcd-14597ac2d+13812a2d2+7863abd2+10757acd2-167ad3 -6945a2b2-12098ab3-7247b4+15936ab2c-5385b3c-5375b2c2-10305ab2d+8297b3d+10663b2cd+6341b2d2 -10554a3b+6842a2b2-14226ab3-6343b4-12545a3c-10015a2bc-14286ab2c-5737b3c-5028a2c2-9312abc2-1610b2c2+15936ac3-5385bc3-5375c4+6938a3d-9371a2bd-9901ab2d+4420b3d+12317a2cd+15378abcd+14921b2cd-8810ac2d+3271bc2d+10663c3d+12537a2d2-15281abd2+9346b2d2-4309acd2-8269bcd2+6341c2d2 -12051a3b+353a2b2+8518ab3+9341b4+1532a3c-2120a2bc+4932ab2c-13901b3c+15960a2c2-4501abc2+1105b2c2-14314a3d+12757a2bd+12822ab2d-11752b3d-7220a2cd-1419abcd-9894b2cd+8440ac2d+10693bc2d+12062a2d2-13626abd2+4247b2d2-12703acd2+2957bcd2-5375c2d2-10305ad3+8297bd3+10663cd3+6341d4 |
{{2, 0}, 2} => 0
{{2, 1}, -1} => 0
{{2, 1}, 0} => 0
{{2, 2}, -1} => 0
{{2, 3}, -1} => 0
{{3, 0}, -1} => 0
{{3, 0}, 0} => 0
{{3, 1}, -1} => 0
{{3, 2}, -1} => 0
{{4, 0}, -1} => 0
{{4, 1}, -1} => 0
{{5, 0}, -1} => 0
o13 : HashTable
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