H_X (361 checks, sparse supports)
[0, 1, 18, 19]
[23, 24]
[3, 4, 25, 26]
[5, 6, 27, 28]
[32, 33]
[8, 9, 34, 35]
[10, 11, 36, 37]
[15, 16, 43, 44]
[19, 20, 47, 48]
[21, 22, 49, 50]
[24, 25, 53, 54]
[26, 27, 55, 56]
[28, 29, 57, 58]
[30, 31, 59, 60]
[33, 34, 63, 64]
[35, 36, 65, 66]
[37, 38, 67, 68]
[39, 40, 69, 70]
[42, 43, 73, 74]
[46, 47, 76, 77]
[48, 49, 78, 79]
[50, 51, 80, 81]
[52, 53, 82, 83]
[56, 57, 86, 87]
[58, 59, 88, 89]
[60, 61, 90, 91]
[62, 63, 92, 93]
[66, 67, 96, 97]
[68, 69, 98, 99]
[70, 71, 100, 101]
[72, 73, 102, 103]
[79, 80, 109, 110]
[81, 82, 111, 112]
[83, 84, 113, 114]
[85, 86, 115, 116]
[89, 90, 119, 120]
[91, 92, 121, 122]
[93, 94, 123, 124]
[95, 96, 125, 126]
[99, 100, 129, 130]
[101, 102, 131, 132]
[103, 104, 133, 134]
[105, 106]
[108, 109, 137, 138]
[112, 113, 141, 142]
[114, 115, 143, 144]
[116, 117, 145, 146]
[118, 119, 147, 148]
[122, 123, 151, 152]
[124, 125, 153, 154]
[126, 127, 155, 156]
[128, 129, 157, 158]
[132, 133, 161, 162]
[134, 163, 164]
[136, 137, 167, 168]
[138, 139, 169, 170]
[140, 141, 171, 172]
[144, 145, 175, 176]
[146, 147, 177, 178]
[148, 149, 179, 180]
[150, 151, 181, 182]
[154, 155, 185, 186]
[156, 157, 187, 188]
[158, 159, 189, 190]
[160, 161, 191, 192]
[164, 165, 195, 196]
[168, 169, 199, 200]
[170, 171, 201, 202]
[172, 173, 203, 204]
[174, 175, 205, 206]
[178, 179, 209, 210]
[180, 181, 211, 212]
[182, 183, 213, 214]
[184, 185, 215, 216]
[188, 189, 219, 220]
[190, 191, 221, 222]
[192, 193, 223, 224]
[194, 195, 225, 226]
[198, 199, 229, 230]
[202, 203, 233, 234]
[204, 205, 235, 236]
[206, 207, 237, 238]
[208, 209, 239, 240]
[212, 213, 243, 244]
[214, 215, 245, 246]
[216, 217, 247, 248]
[218, 219, 249, 250]
[222, 223, 253, 254]
[224, 225, 255, 256]
[226, 227, 257, 258]
[228, 229, 259]
[230, 231, 260, 261]
[232, 233, 262, 263]
[236, 237, 266, 267]
[238, 239, 268, 269]
[240, 241, 270, 271]
[242, 243, 272, 273]
[246, 247, 276, 277]
[248, 249, 278, 279]
[250, 251, 280, 281]
[252, 253, 282, 283]
[256, 257, 286, 287]
[259, 260, 290, 291]
[261, 262, 292, 293]
[263, 264, 294, 295]
[265, 266, 296, 297]
[269, 270, 300, 301]
[271, 272, 302, 303]
[273, 274, 304, 305]
[275, 276, 306, 307]
[279, 280, 310, 311]
[281, 282, 312, 313]
[283, 284, 314, 315]
[285, 286, 316, 317]
[289, 290, 320, 321]
[293, 294, 324, 325]
[295, 296, 326, 327]
[297, 298, 328, 329]
[299, 300, 330, 331]
[303, 304, 334, 335]
[305, 306, 336, 337]
[307, 308, 338, 339]
[309, 310, 340, 341]
[313, 314, 344, 345]
[315, 316, 346, 347]
[317, 318, 348, 349]
[321, 322, 352, 353]
[323, 324, 354, 355]
[327, 328, 358, 359]
[329, 330, 360, 361]
[331, 332, 362, 363]
[333, 334, 364, 365]
[337, 338, 368, 369]
[339, 340, 370, 371]
[341, 342, 372, 373]
[343, 344, 374, 375]
[347, 348, 378, 379]
[349, 350, 380, 410]
[353, 354, 382, 383]
[355, 356, 384, 385]
[357, 358, 386, 387]
[361, 362, 390, 391]
[363, 364, 392, 393]
[365, 366, 394, 395]
[367, 368, 396, 397]
[371, 372, 400, 401]
[373, 374, 402, 403]
[375, 376, 404, 405]
[377, 378, 406, 407]
[383, 384, 414, 415]
[385, 386, 416, 417]
[387, 388, 418, 419]
[389, 390, 420, 421]
[393, 394, 424, 425]
[395, 396, 426, 427]
[397, 398, 428, 429]
[399, 400, 430, 431]
[403, 404, 434, 435]
[405, 406, 436, 437]
[407, 408, 438, 439]
[409, 410]
[411, 412, 440, 441]
[413, 414, 442, 443]
[417, 418, 446, 447]
[419, 420, 448, 449]
[421, 422, 450, 451]
[423, 424, 452, 453]
[427, 428, 456, 457]
[429, 430, 458, 459]
[431, 432, 460, 461]
[433, 434, 462, 463]
[437, 438, 466, 467]
[439, 468, 469]
[441, 442, 472, 473]
[443, 444, 474, 475]
[445, 446, 476, 477]
[449, 450, 480, 481]
[451, 452, 482, 483]
[453, 454, 484, 485]
[455, 456, 486, 487]
[459, 460, 490, 491]
[461, 462, 492, 493]
[463, 464, 494, 495]
[465, 466, 496, 497]
[469, 470, 500, 501]
[473, 474, 504, 505]
[475, 476, 506, 507]
[477, 478, 508, 509]
[479, 480, 510, 511]
[483, 484, 514, 515]
[485, 486, 516, 517]
[487, 488, 518, 519]
[489, 490, 520, 521]
[493, 494, 524, 525]
[495, 496, 526, 527]
[497, 498, 528, 529]
[499, 500, 530, 531]
[503, 504, 534, 535]
[507, 508, 538, 539]
[509, 510, 540, 541]
[511, 512, 542, 543]
[513, 514, 544, 545]
[517, 518, 548, 549]
[519, 520, 550, 551]
[521, 522, 552, 553]
[523, 524, 554, 555]
[527, 528, 558, 559]
[529, 530, 560, 561]
[531, 532, 562, 563]
[533, 534, 564, 565]
[535, 536, 566, 567]
[537, 538, 568, 569]
[541, 542, 572, 573]
[543, 544, 574, 575]
[545, 546, 576, 577]
[547, 548, 578, 579]
[551, 552, 582, 583]
[553, 554, 584, 585]
[555, 556, 586, 587]
[557, 558, 588, 589]
[561, 562, 592, 593]
[565, 566, 596, 597]
[567, 568, 598, 599]
[569, 570, 600, 601]
[571, 572, 602, 603]
[575, 576, 606, 607]
[577, 578, 608, 609]
[579, 580, 610, 611]
[581, 582, 612, 613]
[585, 586, 616, 617]
[587, 588, 618, 619]
[589, 590, 620, 621]
[591, 592, 622, 623]
[595, 596, 626, 627]
[599, 600, 630, 631]
[601, 602, 632, 633]
[603, 604, 634, 635]
[605, 606, 636, 637]
[609, 610, 640, 641]
[611, 612, 642, 643]
[613, 614, 644, 645]
[615, 616, 646, 647]
[619, 620, 650, 651]
[621, 622, 652, 653]
[623, 624, 654, 655]
[627, 628, 658, 659]
[629, 630, 660, 661]
[633, 634, 664, 665]
[635, 636, 666, 667]
[637, 638, 668, 669]
[639, 640, 670, 671]
[643, 644, 674, 675]
[645, 646, 676, 677]
[647, 648, 678, 679]
[649, 650, 680, 681]
[653, 654, 684, 685]
[655, 656, 686, 687]
[659, 660, 689, 690]
[661, 662, 691, 692]
[663, 664, 693, 694]
[667, 668, 697, 698]
[669, 670, 699, 700]
[671, 672, 701, 702]
[673, 674, 703, 704]
[677, 678, 707, 708]
[679, 680, 709, 710]
[681, 682, 711, 712]
[683, 684, 713, 714]
[690, 691, 719, 720]
[692, 693, 721, 722]
[694, 695, 723, 724]
[696, 697, 725, 726]
[700, 701, 729, 730]
[702, 703, 731, 732]
[704, 705, 733, 734]
[706, 707, 735, 736]
[710, 711, 739, 740]
[712, 713, 741, 742]
[714, 715, 743, 744]
[718, 719, 749, 750]
[722, 723, 753, 754]
[724, 725, 755, 756]
[726, 727, 757, 758]
[728, 729, 759, 760]
[732, 733, 763, 764]
[734, 735, 765, 766]
[736, 737, 767, 768]
[738, 739, 769, 770]
[742, 743, 773, 774]
[744, 745, 775, 776]
[748, 749, 779, 780]
[750, 751, 781, 782]
[752, 753, 783, 784]
[756, 757, 787, 788]
[758, 759, 789, 790]
[760, 761, 791, 792]
[762, 763, 793, 794]
[766, 767, 797, 798]
[768, 769, 799, 800]
[770, 771, 801, 802]
[772, 773, 803, 804]
[776, 777, 807, 808]
[780, 781, 810, 811]
[782, 783, 812, 813]
[784, 785, 814, 815]
[786, 787, 816, 817]
[790, 791, 820, 821]
[792, 793, 822, 823]
[794, 795, 824, 825]
[796, 797, 826, 827]
[800, 801, 830, 831]
[802, 803, 832, 833]
[804, 805, 834, 835]
[806, 807, 836, 837]
[809, 810, 838, 839]
[815, 816, 842, 843]
[817, 818, 844, 845]
[819, 820, 846, 847]
[823, 824, 850, 851]
[825, 826, 852, 853]
[827, 828, 854, 855]
[829, 830, 856, 857]
[833, 834, 860, 861]
[835, 836, 862, 863]
[11, 12]
[440, 471]
[839, 840]
[135, 166]
[319, 350]
[1, 2]
[17, 45]
[747, 778]
[857, 858]
[258, 288]
[502, 533]
[813, 814, 841]
[847, 848]
[849, 850]
[6, 7]
[625, 656]
[859, 860]
[563, 594]
[197, 228]
[351, 352]
[817, 844]
[827, 854]
[657, 658]
[845, 846]
[351, 352, 381, 411]
[17, 44, 75, 106]
[105, 106]
[409, 410]
[13, 40]
[76, 107, 135, 136]
[76, 77]
[687, 716]
[745, 746]
[837, 864]
[14, 41, 42]
[688, 717, 747, 748]
[855, 856]
H_Z (349 checks, sparse supports)
[1, 2, 19, 20]
[21, 22]
[4, 5, 26, 27]
[6, 7, 28, 29]
[30, 31]
[9, 10, 35, 36]
[11, 12, 37, 38]
[13, 39, 40]
[14, 41]
[16, 17, 44, 45]
[18, 19, 46, 47]
[20, 21, 48, 49]
[23, 24, 52, 53]
[25, 26, 54, 55]
[27, 28, 56, 57]
[29, 30, 58, 59]
[32, 33, 62, 63]
[34, 35, 64, 65]
[36, 37, 66, 67]
[38, 39, 68, 69]
[41, 42, 72, 73]
[43, 44, 74, 75]
[49, 50, 79, 80]
[51, 52, 81, 82]
[53, 54, 83, 84]
[55, 56, 85, 86]
[59, 60, 89, 90]
[61, 62, 91, 92]
[63, 64, 93, 94]
[65, 66, 95, 96]
[69, 70, 99, 100]
[71, 72, 101, 102]
[73, 74, 103, 104]
[75, 105, 106]
[76, 77, 107]
[78, 79, 108, 109]
[80, 81, 110, 111]
[82, 83, 112, 113]
[86, 87, 116, 117]
[88, 89, 118, 119]
[90, 91, 120, 121]
[92, 93, 122, 123]
[96, 97, 126, 127]
[98, 99, 128, 129]
[100, 101, 130, 131]
[102, 103, 132, 133]
[107, 108, 136, 137]
[109, 110, 138, 139]
[113, 114, 142, 143]
[115, 116, 144, 145]
[117, 118, 146, 147]
[119, 120, 148, 149]
[123, 124, 152, 153]
[125, 126, 154, 155]
[127, 128, 156, 157]
[129, 130, 158, 159]
[133, 134, 162, 163]
[135, 136, 166, 167]
[139, 140, 170, 171]
[141, 142, 172, 173]
[143, 144, 174, 175]
[145, 146, 176, 177]
[149, 150, 180, 181]
[151, 152, 182, 183]
[153, 154, 184, 185]
[155, 156, 186, 187]
[159, 160, 190, 191]
[161, 162, 192, 193]
[163, 164, 194, 195]
[167, 168, 198, 199]
[169, 170, 200, 201]
[171, 172, 202, 203]
[173, 174, 204, 205]
[177, 178, 208, 209]
[179, 180, 210, 211]
[181, 182, 212, 213]
[183, 184, 214, 215]
[187, 188, 218, 219]
[189, 190, 220, 221]
[191, 192, 222, 223]
[193, 194, 224, 225]
[197, 198, 228, 229]
[199, 200, 230, 231]
[201, 202, 232, 233]
[205, 206, 236, 237]
[207, 208, 238, 239]
[209, 210, 240, 241]
[211, 212, 242, 243]
[215, 216, 246, 247]
[217, 218, 248, 249]
[219, 220, 250, 251]
[221, 222, 252, 253]
[225, 226, 256, 257]
[229, 230, 259, 260]
[233, 234, 263, 264]
[235, 236, 265, 266]
[237, 238, 267, 268]
[239, 240, 269, 270]
[243, 244, 273, 274]
[245, 246, 275, 276]
[247, 248, 277, 278]
[249, 250, 279, 280]
[253, 254, 283, 284]
[255, 256, 285, 286]
[257, 258, 287, 288]
[260, 261, 291, 292]
[262, 263, 293, 294]
[264, 265, 295, 296]
[266, 267, 297, 298]
[270, 271, 301, 302]
[272, 273, 303, 304]
[274, 275, 305, 306]
[276, 277, 307, 308]
[280, 281, 311, 312]
[282, 283, 313, 314]
[284, 285, 315, 316]
[286, 287, 317, 318]
[290, 291, 321, 322]
[292, 293, 323, 324]
[294, 295, 325, 326]
[298, 299, 329, 330]
[300, 301, 331, 332]
[302, 303, 333, 334]
[304, 305, 335, 336]
[308, 309, 339, 340]
[310, 311, 341, 342]
[312, 313, 343, 344]
[314, 315, 345, 346]
[318, 319, 349, 350]
[320, 321, 351, 352]
[322, 323, 353, 354]
[326, 327, 357, 358]
[328, 329, 359, 360]
[330, 331, 361, 362]
[332, 333, 363, 364]
[336, 337, 367, 368]
[338, 339, 369, 370]
[340, 341, 371, 372]
[342, 343, 373, 374]
[346, 347, 377, 378]
[348, 349, 379, 380]
[354, 355, 383, 384]
[356, 357, 385, 386]
[358, 359, 387, 388]
[360, 361, 389, 390]
[364, 365, 393, 394]
[366, 367, 395, 396]
[368, 369, 397, 398]
[370, 371, 399, 400]
[374, 375, 403, 404]
[376, 377, 405, 406]
[378, 379, 407, 408]
[380, 409, 410]
[381, 411, 412]
[382, 383, 413, 414]
[384, 385, 415, 416]
[386, 387, 417, 418]
[390, 391, 421, 422]
[392, 393, 423, 424]
[394, 395, 425, 426]
[396, 397, 427, 428]
[400, 401, 431, 432]
[402, 403, 433, 434]
[404, 405, 435, 436]
[406, 407, 437, 438]
[412, 413, 441, 442]
[414, 415, 443, 444]
[418, 419, 447, 448]
[420, 421, 449, 450]
[422, 423, 451, 452]
[424, 425, 453, 454]
[428, 429, 457, 458]
[430, 431, 459, 460]
[432, 433, 461, 462]
[434, 435, 463, 464]
[438, 439, 467, 468]
[440, 441, 471, 472]
[444, 445, 475, 476]
[446, 447, 477, 478]
[448, 449, 479, 480]
[450, 451, 481, 482]
[454, 455, 485, 486]
[456, 457, 487, 488]
[458, 459, 489, 490]
[460, 461, 491, 492]
[464, 465, 495, 496]
[466, 467, 497, 498]
[468, 469, 499, 500]
[472, 473, 503, 504]
[474, 475, 505, 506]
[476, 477, 507, 508]
[478, 479, 509, 510]
[482, 483, 513, 514]
[484, 485, 515, 516]
[486, 487, 517, 518]
[488, 489, 519, 520]
[492, 493, 523, 524]
[494, 495, 525, 526]
[496, 497, 527, 528]
[498, 499, 529, 530]
[502, 503, 533, 534]
[504, 505, 535, 536]
[506, 507, 537, 538]
[510, 511, 541, 542]
[512, 513, 543, 544]
[514, 515, 545, 546]
[516, 517, 547, 548]
[520, 521, 551, 552]
[522, 523, 553, 554]
[524, 525, 555, 556]
[526, 527, 557, 558]
[530, 531, 561, 562]
[534, 535, 565, 566]
[538, 539, 569, 570]
[540, 541, 571, 572]
[542, 543, 573, 574]
[544, 545, 575, 576]
[548, 549, 579, 580]
[550, 551, 581, 582]
[552, 553, 583, 584]
[554, 555, 585, 586]
[558, 559, 589, 590]
[560, 561, 591, 592]
[562, 563, 593, 594]
[566, 567, 597, 598]
[568, 569, 599, 600]
[570, 571, 601, 602]
[572, 573, 603, 604]
[576, 577, 607, 608]
[578, 579, 609, 610]
[580, 581, 611, 612]
[582, 583, 613, 614]
[586, 587, 617, 618]
[588, 589, 619, 620]
[590, 591, 621, 622]
[592, 593, 623, 624]
[596, 597, 627, 628]
[598, 599, 629, 630]
[600, 601, 631, 632]
[604, 605, 635, 636]
[606, 607, 637, 638]
[608, 609, 639, 640]
[610, 611, 641, 642]
[614, 615, 645, 646]
[616, 617, 647, 648]
[618, 619, 649, 650]
[620, 621, 651, 652]
[624, 625, 655, 656]
[626, 627, 657, 658]
[628, 629, 659, 660]
[632, 633, 663, 664]
[634, 635, 665, 666]
[636, 637, 667, 668]
[638, 639, 669, 670]
[642, 643, 673, 674]
[644, 645, 675, 676]
[646, 647, 677, 678]
[648, 649, 679, 680]
[652, 653, 683, 684]
[654, 655, 685, 686]
[660, 661, 690, 691]
[662, 663, 692, 693]
[664, 665, 694, 695]
[666, 667, 696, 697]
[670, 671, 700, 701]
[672, 673, 702, 703]
[674, 675, 704, 705]
[676, 677, 706, 707]
[680, 681, 710, 711]
[682, 683, 712, 713]
[684, 685, 714, 715]
[686, 687, 716]
[688, 717]
[689, 690, 718, 719]
[691, 692, 720, 721]
[693, 694, 722, 723]
[697, 698, 726, 727]
[699, 700, 728, 729]
[701, 702, 730, 731]
[703, 704, 732, 733]
[707, 708, 736, 737]
[709, 710, 738, 739]
[711, 712, 740, 741]
[713, 714, 742, 743]
[717, 718, 748, 749]
[719, 720, 750, 751]
[723, 724, 754, 755]
[725, 726, 756, 757]
[727, 728, 758, 759]
[729, 730, 760, 761]
[733, 734, 764, 765]
[735, 736, 766, 767]
[737, 738, 768, 769]
[739, 740, 770, 771]
[743, 744, 774, 775]
[745, 746, 776, 777]
[747, 748, 778, 779]
[751, 752, 782, 783]
[753, 754, 784, 785]
[755, 756, 786, 787]
[757, 758, 788, 789]
[761, 762, 792, 793]
[763, 764, 794, 795]
[765, 766, 796, 797]
[767, 768, 798, 799]
[771, 772, 802, 803]
[773, 774, 804, 805]
[775, 776, 806, 807]
[779, 780, 809, 810]
[781, 782, 811, 812]
[783, 784, 813, 814]
[785, 786, 815, 816]
[789, 790, 819, 820]
[791, 792, 821, 822]
[793, 794, 823, 824]
[795, 796, 825, 826]
[799, 800, 829, 830]
[801, 802, 831, 832]
[803, 804, 833, 834]
[805, 806, 835, 836]
[809, 838]
[810, 811, 839, 840]
[812, 813, 841]
[816, 817, 843, 844]
[818, 819, 845, 846]
[820, 821, 847, 848]
[822, 823, 849, 850]
[826, 827, 853, 854]
[828, 829, 855, 856]
[830, 831, 857, 858]
[832, 833, 859, 860]
[836, 837, 863, 864]
[852, 853]
[842, 843]
[15, 16]
[0, 18]
[777, 808]
[8, 9]
[165, 196]
[289, 320]
[470, 501]
[3, 4]
[862, 863]
[595, 626]
[195, 196, 226, 227]
[500, 501, 531, 532]
[564, 565, 595, 596]
[824, 825, 851, 852]
[834, 835, 861, 862]