Starting with polynomial:
P : 12155/128*t^9 - 6435/32*t^7 + 9009/64*t^5 - 1155/32*t^3 + 315/128*t
Extension levels are: 9 38
-------------------------------------------------
Trying to find an order 38 Kronrod extension for:
P1 : 12155/128*t^9 - 6435/32*t^7 + 9009/64*t^5 - 1155/32*t^3 + 315/128*t
Solvable: 1
-------------------------------------------------
Ending with final polynomial:
P : 12155/128*t^47 - 4190394628469386558282880141505211414013737206447907415/3805108252824529406614629045696839741008746684541056*t^45 + 10695914838976449666820994678375924103452458511910105967095/1789669248245136997577747194492746958187780523962476672*t^43 - 1118775449571748132891981726857044049430069659819138730333245/55479746695599246924910163029275155703821196242836776832*t^41 + 30542332394410207386366355787202234289840059485842294827826884823/644286298375994054538981723258972383188475551968063489350016*t^39 - 123960119918159825545020287872526334746155685334796200235886821591/1503334696210652793924290687604268894106442954592148141816704*t^37 + 136442010105883367811950004930820568499657663988587416557360244405623/1240251124373788554987539817273521837637815437538522216998780800*t^35 - 52573893098298371181041422008785464392767607131766463305534760384843/456495791996402846289531462156136609147364001379724984071820160*t^33 + 1520528635467424567420891372802210388507748711269133582644360057161/15841251823922092906430466184303860825739415492649302966324160*t^31 - 3053408238418222526163819879765498888879817202983338649678627852231/47523755471766278719291398552911582477218246477947908898972480*t^29 + 47346971537837311699792767814873562539093240934974151431555084416089/1364610692832146003225367301305032582560123934581075669813352640*t^27 - 26762664471600728652408020394188833282587279670789187001924506610149/1768939787004633707884735390580597792207568063345838831239531200*t^25 + 31712576554846479951088154203189695196848003610121596043444728923/5967507715196354677201516980271896166483362141407649069241792*t^23 - 1908861808821106423639442287068534830650584567512902365005567179189/1276626404029822974535406217089434237643884331913250446657937728*t^21 + 85042546715273327252408488494747744123919622001670398730994813021429/254656571737187068587086506827982858166201498399266958145242911552*t^19 - 14879997013919332718178988131261578757917522497476830652270784363097/254656571737187068587086506827982858166201498399266958145242911552*t^17 + 60091777245755254790430347700876057621652499690326014407823479460821/7639697152115612057612595204839485744986044951978008744357287346560*t^15 - 33711699498063980286870737136815165758030481178914484100983332082247/42418508949365731710363266708775430374541563876220753313907604981376*t^13 + 51897761735367300367907591827449481089596852091605966998893060136339/890788687936680365917628600884284037865372841400635819592059704608896*t^11 - 597858471685699057887601036937030093773350084635740107375667679292743/202370993741251294038923079419075073693233339150926264832777927437966464*t^9 + 2172017941538149625505000393090353213743717442963945641932822071641/22485665971250143782102564379897230410359259905658473870308658604218496*t^7 - 29272092198165702789097516857956789867185491616846375814126052711/16061189979464388415787545985640878864542328504041767050220470431584640*t^5 + 156753528913493082523813589269810640189541576803394304090667449/9636713987678633049472527591384527318725397102425060230132282258950784*t^3 - 1681735181984262451442212889441487535818196840247564464597/38701662601119008230813363820821394854318863865160884458362579353216*t
-------------------------------------------------
Computing nodes and weights
  current precision for roots: 53
  current precision for roots: 106
  current precision for roots: 212
 current precision for weights: 53
Linear system for weights solvable: 0
  current precision for roots: 106
  current precision for roots: 212
 current precision for weights: 106
Linear system for weights solvable: 0
  current precision for roots: 212
  current precision for roots: 424
 current precision for weights: 212
Linear system for weights solvable: 1
  current precision for roots: 424
  current precision for roots: 848
 current precision for weights: 424
Linear system for weights solvable: 1
Sufficient bits for target precision reached
-------------------------------------------------
The nodes are:
| (0.98273075981930242533 + 7.7736094897143916093e-873j)  +/-  (3.31e-239, 3.31e-239j)
| (-0.96816023950762608984 + 5.5276067141864927517e-877j)  +/-  (3.83e-239, 3.83e-239j)
| (-0.90014628626938829944 - 3.8319549547760768508e-893j)  +/-  (1.01e-239, 1.01e-239j)
| (0.66441449709864248178 + 9.7649529832601174234e-899j)  +/-  (3.31e-243, 3.31e-243j)
| (0.99293904265345034146 + 5.8576703199574716538e-894j)  +/-  (2.39e-239, 2.39e-239j)
| (0.92667540393592559292 - 6.1143279358273850103e-907j)  +/-  (1.86e-239, 1.86e-239j)
| (-0.98273075981930242533 - 4.623168061131751907e-914j)  +/-  (3.43e-239, 3.43e-239j)
| (-0.86992557615185139551 - 4.6196133453762140773e-934j)  +/-  (4.1e-240, 4.1e-240j)
| (-0.99293904265345034146 - 1.5236823608016345296e-950j)  +/-  (2.47e-239, 2.47e-239j)
| (0.99865628280707429568 - 8.1935258620111599288e-964j)  +/-  (8.26e-240, 8.26e-240j)
| (0.86992557615185139551 - 2.8657234392663713681e-966j)  +/-  (4.23e-240, 4.23e-240j)
| (-0.99865628280707429568 - 7.2189805257090838161e-969j)  +/-  (8.27e-240, 8.27e-240j)
| (-0.94940712932068949958 - 5.404617424787688892e-974j)  +/-  (2.85e-239, 2.85e-239j)
| (-0.79844839552748599631 + 9.7954648564656636888e-983j)  +/-  (4.09e-241, 4.09e-241j)
| (0.96816023950762608984 - 1.8197172010787815962e-979j)  +/-  (3.64e-239, 3.64e-239j)
| (0.8360311073266357943 + 2.8264340890756556969e-982j)  +/-  (1.44e-240, 1.44e-240j)
| (0.79844839552748599631 - 2.7415287889759220211e-983j)  +/-  (4.39e-241, 4.39e-241j)
| (-0.38568641409966108885 + 1.510348573282055299e-992j)  +/-  (3.99e-248, 3.99e-248j)
| (-0.75721355601997827447 - 7.8982397907667065868e-985j)  +/-  (9.88e-242, 9.88e-242j)
| (-0.92667540393592559292 - 1.0836565138852730236e-982j)  +/-  (1.79e-239, 1.79e-239j)
| (0.90014628626938829944 - 5.8511921794000193024e-987j)  +/-  (9.37e-240, 9.37e-240j)
| (0.71245983642422537161 - 1.5109394005644347932e-992j)  +/-  (2.27e-242, 2.27e-242j)
| (0.94940712932068949958 + 1.6718681746255920076e-991j)  +/-  (2.96e-239, 2.96e-239j)
| (-0.8360311073266357943 - 4.3265480423497296885e-996j)  +/-  (1.57e-240, 1.57e-240j)
| (-0.71245983642422537161 - 2.2766979475281454856e-999j)  +/-  (2.05e-242, 2.05e-242j)
| (0.26139642882039416612 + 2.3965831686258167667e-1007j)  +/-  (1.43e-250, 1.43e-250j)
| (0.75721355601997827447 + 1.8642490650718940874e-999j)  +/-  (1e-241, 1e-241j)
| (0.32425342340380892904 + 9.863734576843450293e-1008j)  +/-  (2.74e-249, 2.74e-249j)
| (0.066263488995262639249 + 5.2571173494464767318e-1013j)  +/-  (2.1e-254, 2.1e-254j)
| (-0.66441449709864248178 - 3.4693146440591912765e-1001j)  +/-  (3.77e-243, 3.77e-243j)
| (-0.19728493523583385042 + 1.5163823974869361137e-1008j)  +/-  (7.67e-252, 7.67e-252j)
| (0.50361300330103380531 - 1.5787385657082706046e-1003j)  +/-  (6.37e-246, 6.37e-246j)
| (0.61337143270059039731 - 2.2881819014166072692e-1002j)  +/-  (4.92e-244, 4.92e-244j)
| (-0.13214265319383141024 + 2.0295564158502122297e-1011j)  +/-  (4.41e-253, 4.41e-253j)
| (-0.61337143270059039731 + 1.6189318791040970316e-1004j)  +/-  (4.58e-244, 4.58e-244j)
| (-0.44553743947514046704 - 1.2826711225945672987e-1007j)  +/-  (6.18e-247, 6.18e-247j)
| (0.13214265319383141024 + 1.0783759873816433391e-1013j)  +/-  (4.33e-253, 4.33e-253j)
| (0.55965979859525597252 + 3.5120204006434972662e-1006j)  +/-  (6.14e-245, 6.14e-245j)
| (0.19728493523583385042 - 2.3949149447524238917e-1013j)  +/-  (8.17e-252, 8.17e-252j)
| (-0.32425342340380892904 + 1.2130011738700546315e-1010j)  +/-  (2.54e-249, 2.54e-249j)
| (-0.55965979859525597252 - 9.3749165032001707753e-1007j)  +/-  (6.27e-245, 6.27e-245j)
| (5.831060033129650663e-1021 - 8.907407142851238342e-1022j)  +/-  (2.77e-1019, 2.77e-1019j)
| (0.38568641409966108885 - 4.5668713527831915378e-1012j)  +/-  (3.99e-248, 3.99e-248j)
| (0.44553743947514046704 + 8.1848175395018114024e-1011j)  +/-  (5.55e-247, 5.55e-247j)
| (-0.066263488995262639249 - 5.5985445819202712743e-1018j)  +/-  (2.1e-254, 2.1e-254j)
| (-0.50361300330103380531 + 2.8900234376068113942e-1011j)  +/-  (6.09e-246, 6.09e-246j)
| (-0.26139642882039416612 - 1.6362498023844198867e-1016j)  +/-  (1.47e-250, 1.47e-250j)
-------------------------------------------------
The weights are:
| (0.012415711329730516568 - 3.1898484314138270883e-873j)  +/-  (1.16e-66, 6.73e-182j)
| (0.016694987569820150712 + 8.2636329582601924587e-875j)  +/-  (4.45e-67, 2.58e-182j)
| (0.028384475595765367614 - 2.3475553676892576527e-874j)  +/-  (2.95e-67, 1.71e-182j)
| (0.049597153988575171033 - 3.0729195937278677173e-873j)  +/-  (6.29e-68, 3.65e-183j)
| (0.0079790934283738752314 - 4.6422872235998383559e-873j)  +/-  (1.65e-67, 9.58e-183j)
| (0.024655816038618138691 + 5.9975365383746465052e-873j)  +/-  (4.03e-68, 2.34e-183j)
| (0.012415711329730516568 - 4.8725462268743088936e-875j)  +/-  (9.23e-68, 5.36e-183j)
| (0.032055024310541371053 + 2.9636799238882987634e-874j)  +/-  (1.91e-68, 1.11e-183j)
| (0.0079790934283738752314 + 2.3876983146579802562e-875j)  +/-  (2.3e-68, 1.33e-183j)
| (0.003446244095684466508 + 8.319760376044178002e-874j)  +/-  (1.92e-69, 1.11e-184j)
| (0.032055024310541371053 + 4.8621574946395861455e-873j)  +/-  (2.66e-70, 1.54e-185j)
| (0.003446244095684466508 - 6.6621385620988565646e-876j)  +/-  (7.82e-69, 4.54e-184j)
| (0.020776422463747959286 - 1.2554210619154252163e-874j)  +/-  (5.84e-69, 3.39e-184j)
| (0.039422294385683038421 + 4.159664993218926079e-874j)  +/-  (4.04e-71, 2.34e-186j)
| (0.016694987569820150712 + 1.1040455331746309412e-872j)  +/-  (1.53e-70, 8.9e-186j)
| (0.035737903406534549071 - 4.4278432402698208772e-873j)  +/-  (6.35e-72, 3.69e-187j)
| (0.039422294385683038421 + 4.0181244144056588712e-873j)  +/-  (1.92e-72, 1.11e-187j)
| (0.060669953995971872747 + 1.0208727348181535666e-873j)  +/-  (1.53e-75, 8.87e-191j)
| (0.043025041383262644652 - 4.7289551453653937879e-874j)  +/-  (2.1e-73, 1.22e-188j)
| (0.024655816038618138691 + 1.7653717024963233188e-874j)  +/-  (5.46e-71, 3.17e-186j)
| (0.028384475595765367614 - 5.3438140052525433278e-873j)  +/-  (4.07e-72, 2.36e-187j)
| (0.046444014850405237435 + 3.3300084079610721703e-873j)  +/-  (1.67e-74, 9.73e-190j)
| (0.020776422463747959286 - 7.2362955647157899204e-873j)  +/-  (6.52e-72, 3.79e-187j)
| (0.035737903406534549071 - 3.574261019490937463e-874j)  +/-  (2.73e-73, 1.59e-188j)
| (0.046444014850405237435 + 5.3111339362046192713e-874j)  +/-  (2.25e-75, 1.31e-190j)
| (0.063515947691895791298 + 2.0719450100960338659e-873j)  +/-  (4.22e-79, 2.45e-194j)
| (0.043025041383262644652 - 3.646856485809558262e-873j)  +/-  (3.85e-75, 2.24e-190j)
| (0.062170562868220925345 - 2.2103560366707046288e-873j)  +/-  (4.15e-79, 2.41e-194j)
| (0.066133761252433823412 - 1.6659754027041107905e-873j)  +/-  (3.61e-80, 2.1e-195j)
| (0.049597153988575171033 - 5.9402995948376353853e-874j)  +/-  (3.43e-78, 1.99e-193j)
| (0.064670017383912670877 - 1.2846923260332542024e-873j)  +/-  (9.29e-81, 5.4e-196j)
| (0.05710848964933707461 + 2.5793845566570278017e-873j)  +/-  (1.22e-79, 7.1e-195j)
| (0.052433604998868110336 + 2.8704887158239564345e-873j)  +/-  (1.69e-78, 9.82e-194j)
| (0.065565333533856771543 + 1.3675679222822246946e-873j)  +/-  (2.29e-81, 1.33e-196j)
| (0.052433604998868110336 + 6.6443189102574987014e-874j)  +/-  (1.92e-80, 1.12e-195j)
| (0.059000270932506475603 - 9.2537033042606049918e-874j)  +/-  (1.84e-81, 1.07e-196j)
| (0.065565333533856771543 + 1.7924258337272824248e-873j)  +/-  (1.03e-81, 5.97e-197j)
| (0.054933562613557991556 - 2.7109908814939832838e-873j)  +/-  (1.16e-80, 6.75e-196j)
| (0.064670017383912670877 - 1.9299645559457784513e-873j)  +/-  (1.07e-81, 6.21e-197j)
| (0.062170562868220925345 - 1.1137061238412126111e-873j)  +/-  (7.32e-83, 4.25e-198j)
| (0.054933562613557991556 - 7.437621545576687785e-874j)  +/-  (2.17e-82, 1.26e-197j)
| (0.066328624465392012797 + 1.5538361670071895389e-873j)  +/-  (4.74e-83, 2.75e-198j)
| (0.060669953995971872747 + 2.3395697149131878722e-873j)  +/-  (6.45e-83, 3.75e-198j)
| (0.059000270932506475603 - 2.460005729463264103e-873j)  +/-  (6.94e-83, 4.03e-198j)
| (0.066133761252433823412 - 1.4555239024177106262e-873j)  +/-  (5.58e-84, 3.25e-199j)
| (0.05710848964933707461 + 8.3159274734180792007e-874j)  +/-  (1.52e-84, 9.19e-200j)
| (0.063515947691895791298 + 1.2013769213693970553e-873j)  +/-  (1.95e-84, 1.11e-199j)
