Parity checks
X-checks 336 (max weight 4) · Z-checks 336 (max weight 4)
H_X (336 checks, sparse supports)
[64, 192, 507, 625]
[65, 193, 508, 626]
[63, 194, 509, 624]
[67, 195, 510, 628]
[68, 196, 511, 629]
[66, 197, 512, 627]
[70, 198, 513, 631]
[71, 199, 514, 632]
[69, 200, 515, 630]
[61, 201, 504, 634]
[62, 202, 505, 635]
[60, 203, 506, 633]
[76, 204, 519, 637]
[77, 205, 520, 638]
[75, 206, 521, 636]
[79, 207, 522, 640]
[80, 208, 523, 641]
[78, 209, 524, 639]
[82, 210, 525, 643]
[83, 211, 526, 644]
[81, 212, 527, 642]
[73, 213, 516, 646]
[74, 214, 517, 647]
[72, 215, 518, 645]
[88, 216, 483, 649]
[89, 217, 484, 650]
[87, 218, 485, 648]
[91, 219, 486, 652]
[92, 220, 487, 653]
[90, 221, 488, 651]
[94, 222, 489, 655]
[95, 223, 490, 656]
[93, 224, 491, 654]
[85, 225, 480, 658]
[86, 226, 481, 659]
[84, 227, 482, 657]
[52, 228, 495, 661]
[53, 229, 496, 662]
[51, 230, 497, 660]
[55, 231, 498, 664]
[56, 232, 499, 665]
[54, 233, 500, 663]
[58, 234, 501, 667]
[59, 235, 502, 668]
[57, 236, 503, 666]
[49, 237, 492, 670]
[50, 238, 493, 671]
[48, 239, 494, 669]
[112, 240, 337, 555]
[113, 241, 338, 556]
[111, 242, 336, 557]
[115, 243, 340, 558]
[116, 244, 341, 559]
[114, 245, 339, 560]
[118, 246, 343, 561]
[119, 247, 344, 562]
[117, 248, 342, 563]
[109, 249, 346, 552]
[110, 250, 347, 553]
[108, 251, 345, 554]
[124, 252, 349, 567]
[125, 253, 350, 568]
[123, 254, 348, 569]
[127, 255, 352, 570]
[128, 256, 353, 571]
[126, 257, 351, 572]
[130, 258, 355, 573]
[131, 259, 356, 574]
[129, 260, 354, 575]
[121, 261, 358, 564]
[122, 262, 359, 565]
[120, 263, 357, 566]
[136, 264, 361, 531]
[137, 265, 362, 532]
[135, 266, 360, 533]
[139, 267, 364, 534]
[140, 268, 365, 535]
[138, 269, 363, 536]
[142, 270, 367, 537]
[143, 271, 368, 538]
[141, 272, 366, 539]
[133, 273, 370, 528]
[134, 274, 371, 529]
[132, 275, 369, 530]
[100, 276, 373, 543]
[101, 277, 374, 544]
[99, 278, 372, 545]
[103, 279, 376, 546]
[104, 280, 377, 547]
[102, 281, 375, 548]
[106, 282, 379, 549]
[107, 283, 380, 550]
[105, 284, 378, 551]
[97, 285, 382, 540]
[98, 286, 383, 541]
[96, 287, 381, 542]
[160, 288, 385, 603]
[161, 289, 386, 604]
[159, 290, 384, 605]
[163, 291, 388, 606]
[164, 292, 389, 607]
[162, 293, 387, 608]
[166, 294, 391, 609]
[167, 295, 392, 610]
[165, 296, 390, 611]
[157, 297, 394, 600]
[158, 298, 395, 601]
[156, 299, 393, 602]
[172, 300, 397, 615]
[173, 301, 398, 616]
[171, 302, 396, 617]
[175, 303, 400, 618]
[176, 304, 401, 619]
[174, 305, 399, 620]
[178, 306, 403, 621]
[179, 307, 404, 622]
[177, 308, 402, 623]
[169, 309, 406, 612]
[170, 310, 407, 613]
[168, 311, 405, 614]
[184, 312, 409, 579]
[185, 313, 410, 580]
[183, 314, 408, 581]
[187, 315, 412, 582]
[188, 316, 413, 583]
[186, 317, 411, 584]
[190, 318, 415, 585]
[191, 319, 416, 586]
[189, 320, 414, 587]
[181, 321, 418, 576]
[182, 322, 419, 577]
[180, 323, 417, 578]
[148, 324, 421, 591]
[149, 325, 422, 592]
[147, 326, 420, 593]
[151, 327, 424, 594]
[152, 328, 425, 595]
[150, 329, 423, 596]
[154, 330, 427, 597]
[155, 331, 428, 598]
[153, 332, 426, 599]
[145, 333, 430, 588]
[146, 334, 431, 589]
[144, 335, 429, 590]
[0, 208, 433, 651]
[1, 209, 434, 652]
[2, 207, 432, 653]
[3, 211, 436, 654]
[4, 212, 437, 655]
[5, 210, 435, 656]
[6, 214, 439, 657]
[7, 215, 440, 658]
[8, 213, 438, 659]
[9, 205, 442, 648]
[10, 206, 443, 649]
[11, 204, 441, 650]
[12, 220, 445, 663]
[13, 221, 446, 664]
[14, 219, 444, 665]
[15, 223, 448, 666]
[16, 224, 449, 667]
[17, 222, 447, 668]
[18, 226, 451, 669]
[19, 227, 452, 670]
[20, 225, 450, 671]
[21, 217, 454, 660]
[22, 218, 455, 661]
[23, 216, 453, 662]
[24, 232, 457, 627]
[25, 233, 458, 628]
[26, 231, 456, 629]
[27, 235, 460, 630]
[28, 236, 461, 631]
[29, 234, 459, 632]
[30, 238, 463, 633]
[31, 239, 464, 634]
[32, 237, 462, 635]
[33, 229, 466, 624]
[34, 230, 467, 625]
[35, 228, 465, 626]
[36, 196, 469, 639]
[37, 197, 470, 640]
[38, 195, 468, 641]
[39, 199, 472, 642]
[40, 200, 473, 643]
[41, 198, 471, 644]
[42, 202, 475, 645]
[43, 203, 476, 646]
[44, 201, 474, 647]
[45, 193, 478, 636]
[46, 194, 479, 637]
[47, 192, 477, 638]
[48, 256, 363, 481]
[49, 257, 364, 482]
[50, 255, 365, 480]
[51, 259, 366, 484]
[52, 260, 367, 485]
[53, 258, 368, 483]
[54, 262, 369, 487]
[55, 263, 370, 488]
[56, 261, 371, 486]
[57, 253, 360, 490]
[58, 254, 361, 491]
[59, 252, 362, 489]
[60, 268, 375, 493]
[61, 269, 376, 494]
[62, 267, 377, 492]
[63, 271, 378, 496]
[64, 272, 379, 497]
[65, 270, 380, 495]
[66, 274, 381, 499]
[67, 275, 382, 500]
[68, 273, 383, 498]
[69, 265, 372, 502]
[70, 266, 373, 503]
[71, 264, 374, 501]
[72, 280, 339, 505]
[73, 281, 340, 506]
[74, 279, 341, 504]
[75, 283, 342, 508]
[76, 284, 343, 509]
[77, 282, 344, 507]
[78, 286, 345, 511]
[79, 287, 346, 512]
[80, 285, 347, 510]
[81, 277, 336, 514]
[82, 278, 337, 515]
[83, 276, 338, 513]
[84, 244, 351, 517]
[85, 245, 352, 518]
[86, 243, 353, 516]
[87, 247, 354, 520]
[88, 248, 355, 521]
[89, 246, 356, 519]
[90, 250, 357, 523]
[91, 251, 358, 524]
[92, 249, 359, 522]
[93, 241, 348, 526]
[94, 242, 349, 527]
[95, 240, 350, 525]
[96, 304, 411, 529]
[97, 305, 412, 530]
[98, 303, 413, 528]
[99, 307, 414, 532]
[100, 308, 415, 533]
[101, 306, 416, 531]
[102, 310, 417, 535]
[103, 311, 418, 536]
[104, 309, 419, 534]
[105, 301, 408, 538]
[106, 302, 409, 539]
[107, 300, 410, 537]
[108, 316, 423, 541]
[109, 317, 424, 542]
[110, 315, 425, 540]
[111, 319, 426, 544]
[112, 320, 427, 545]
[113, 318, 428, 543]
[114, 322, 429, 547]
[115, 323, 430, 548]
[116, 321, 431, 546]
[117, 313, 420, 550]
[118, 314, 421, 551]
[119, 312, 422, 549]
[120, 328, 387, 553]
[121, 329, 388, 554]
[122, 327, 389, 552]
[123, 331, 390, 556]
[124, 332, 391, 557]
[125, 330, 392, 555]
[126, 334, 393, 559]
[127, 335, 394, 560]
[128, 333, 395, 558]
[129, 325, 384, 562]
[130, 326, 385, 563]
[131, 324, 386, 561]
[132, 292, 399, 565]
[133, 293, 400, 566]
[134, 291, 401, 564]
[135, 295, 402, 568]
[136, 296, 403, 569]
[137, 294, 404, 567]
[138, 298, 405, 571]
[139, 299, 406, 572]
[140, 297, 407, 570]
[141, 289, 396, 574]
[142, 290, 397, 575]
[143, 288, 398, 573]
[16, 144, 459, 577]
[17, 145, 460, 578]
[15, 146, 461, 576]
[19, 147, 462, 580]
[20, 148, 463, 581]
[18, 149, 464, 579]
[22, 150, 465, 583]
[23, 151, 466, 584]
[21, 152, 467, 582]
[13, 153, 456, 586]
[14, 154, 457, 587]
[12, 155, 458, 585]
[28, 156, 471, 589]
[29, 157, 472, 590]
[27, 158, 473, 588]
[31, 159, 474, 592]
[32, 160, 475, 593]
[30, 161, 476, 591]
[34, 162, 477, 595]
[35, 163, 478, 596]
[33, 164, 479, 594]
[25, 165, 468, 598]
[26, 166, 469, 599]
[24, 167, 470, 597]
[40, 168, 435, 601]
[41, 169, 436, 602]
[39, 170, 437, 600]
[43, 171, 438, 604]
[44, 172, 439, 605]
[42, 173, 440, 603]
[46, 174, 441, 607]
[47, 175, 442, 608]
[45, 176, 443, 606]
[37, 177, 432, 610]
[38, 178, 433, 611]
[36, 179, 434, 609]
[4, 180, 447, 613]
[5, 181, 448, 614]
[3, 182, 449, 612]
[7, 183, 450, 616]
[8, 184, 451, 617]
[6, 185, 452, 615]
[10, 186, 453, 619]
[11, 187, 454, 620]
[9, 188, 455, 618]
[1, 189, 444, 622]
[2, 190, 445, 623]
[0, 191, 446, 621]
H_Z (336 checks, sparse supports)
[50, 225, 480, 671]
[48, 226, 481, 669]
[49, 227, 482, 670]
[53, 216, 483, 662]
[51, 217, 484, 660]
[52, 218, 485, 661]
[56, 219, 486, 665]
[54, 220, 487, 663]
[55, 221, 488, 664]
[59, 222, 489, 668]
[57, 223, 490, 666]
[58, 224, 491, 667]
[62, 237, 492, 635]
[60, 238, 493, 633]
[61, 239, 494, 634]
[65, 228, 495, 626]
[63, 229, 496, 624]
[64, 230, 497, 625]
[68, 231, 498, 629]
[66, 232, 499, 627]
[67, 233, 500, 628]
[71, 234, 501, 632]
[69, 235, 502, 630]
[70, 236, 503, 631]
[74, 201, 504, 647]
[72, 202, 505, 645]
[73, 203, 506, 646]
[77, 192, 507, 638]
[75, 193, 508, 636]
[76, 194, 509, 637]
[80, 195, 510, 641]
[78, 196, 511, 639]
[79, 197, 512, 640]
[83, 198, 513, 644]
[81, 199, 514, 642]
[82, 200, 515, 643]
[86, 213, 516, 659]
[84, 214, 517, 657]
[85, 215, 518, 658]
[89, 204, 519, 650]
[87, 205, 520, 648]
[88, 206, 521, 649]
[92, 207, 522, 653]
[90, 208, 523, 651]
[91, 209, 524, 652]
[95, 210, 525, 656]
[93, 211, 526, 654]
[94, 212, 527, 655]
[98, 273, 383, 528]
[96, 274, 381, 529]
[97, 275, 382, 530]
[101, 264, 374, 531]
[99, 265, 372, 532]
[100, 266, 373, 533]
[104, 267, 377, 534]
[102, 268, 375, 535]
[103, 269, 376, 536]
[107, 270, 380, 537]
[105, 271, 378, 538]
[106, 272, 379, 539]
[110, 285, 347, 540]
[108, 286, 345, 541]
[109, 287, 346, 542]
[113, 276, 338, 543]
[111, 277, 336, 544]
[112, 278, 337, 545]
[116, 279, 341, 546]
[114, 280, 339, 547]
[115, 281, 340, 548]
[119, 282, 344, 549]
[117, 283, 342, 550]
[118, 284, 343, 551]
[122, 249, 359, 552]
[120, 250, 357, 553]
[121, 251, 358, 554]
[125, 240, 350, 555]
[123, 241, 348, 556]
[124, 242, 349, 557]
[128, 243, 353, 558]
[126, 244, 351, 559]
[127, 245, 352, 560]
[131, 246, 356, 561]
[129, 247, 354, 562]
[130, 248, 355, 563]
[134, 261, 371, 564]
[132, 262, 369, 565]
[133, 263, 370, 566]
[137, 252, 362, 567]
[135, 253, 360, 568]
[136, 254, 361, 569]
[140, 255, 365, 570]
[138, 256, 363, 571]
[139, 257, 364, 572]
[143, 258, 368, 573]
[141, 259, 366, 574]
[142, 260, 367, 575]
[146, 321, 431, 576]
[144, 322, 429, 577]
[145, 323, 430, 578]
[149, 312, 422, 579]
[147, 313, 420, 580]
[148, 314, 421, 581]
[152, 315, 425, 582]
[150, 316, 423, 583]
[151, 317, 424, 584]
[155, 318, 428, 585]
[153, 319, 426, 586]
[154, 320, 427, 587]
[158, 333, 395, 588]
[156, 334, 393, 589]
[157, 335, 394, 590]
[161, 324, 386, 591]
[159, 325, 384, 592]
[160, 326, 385, 593]
[164, 327, 389, 594]
[162, 328, 387, 595]
[163, 329, 388, 596]
[167, 330, 392, 597]
[165, 331, 390, 598]
[166, 332, 391, 599]
[170, 297, 407, 600]
[168, 298, 405, 601]
[169, 299, 406, 602]
[173, 288, 398, 603]
[171, 289, 396, 604]
[172, 290, 397, 605]
[176, 291, 401, 606]
[174, 292, 399, 607]
[175, 293, 400, 608]
[179, 294, 404, 609]
[177, 295, 402, 610]
[178, 296, 403, 611]
[182, 309, 419, 612]
[180, 310, 417, 613]
[181, 311, 418, 614]
[185, 300, 410, 615]
[183, 301, 408, 616]
[184, 302, 409, 617]
[188, 303, 413, 618]
[186, 304, 411, 619]
[187, 305, 412, 620]
[191, 306, 416, 621]
[189, 307, 414, 622]
[190, 308, 415, 623]
[33, 194, 479, 624]
[34, 192, 477, 625]
[35, 193, 478, 626]
[24, 197, 470, 627]
[25, 195, 468, 628]
[26, 196, 469, 629]
[27, 200, 473, 630]
[28, 198, 471, 631]
[29, 199, 472, 632]
[30, 203, 476, 633]
[31, 201, 474, 634]
[32, 202, 475, 635]
[45, 206, 443, 636]
[46, 204, 441, 637]
[47, 205, 442, 638]
[36, 209, 434, 639]
[37, 207, 432, 640]
[38, 208, 433, 641]
[39, 212, 437, 642]
[40, 210, 435, 643]
[41, 211, 436, 644]
[42, 215, 440, 645]
[43, 213, 438, 646]
[44, 214, 439, 647]
[9, 218, 455, 648]
[10, 216, 453, 649]
[11, 217, 454, 650]
[0, 221, 446, 651]
[1, 219, 444, 652]
[2, 220, 445, 653]
[3, 224, 449, 654]
[4, 222, 447, 655]
[5, 223, 448, 656]
[6, 227, 452, 657]
[7, 225, 450, 658]
[8, 226, 451, 659]
[21, 230, 467, 660]
[22, 228, 465, 661]
[23, 229, 466, 662]
[12, 233, 458, 663]
[13, 231, 456, 664]
[14, 232, 457, 665]
[15, 236, 461, 666]
[16, 234, 459, 667]
[17, 235, 460, 668]
[18, 239, 464, 669]
[19, 237, 462, 670]
[20, 238, 463, 671]
[81, 242, 336, 527]
[82, 240, 337, 525]
[83, 241, 338, 526]
[72, 245, 339, 518]
[73, 243, 340, 516]
[74, 244, 341, 517]
[75, 248, 342, 521]
[76, 246, 343, 519]
[77, 247, 344, 520]
[78, 251, 345, 524]
[79, 249, 346, 522]
[80, 250, 347, 523]
[93, 254, 348, 491]
[94, 252, 349, 489]
[95, 253, 350, 490]
[84, 257, 351, 482]
[85, 255, 352, 480]
[86, 256, 353, 481]
[87, 260, 354, 485]
[88, 258, 355, 483]
[89, 259, 356, 484]
[90, 263, 357, 488]
[91, 261, 358, 486]
[92, 262, 359, 487]
[57, 266, 360, 503]
[58, 264, 361, 501]
[59, 265, 362, 502]
[48, 269, 363, 494]
[49, 267, 364, 492]
[50, 268, 365, 493]
[51, 272, 366, 497]
[52, 270, 367, 495]
[53, 271, 368, 496]
[54, 275, 369, 500]
[55, 273, 370, 498]
[56, 274, 371, 499]
[69, 278, 372, 515]
[70, 276, 373, 513]
[71, 277, 374, 514]
[60, 281, 375, 506]
[61, 279, 376, 504]
[62, 280, 377, 505]
[63, 284, 378, 509]
[64, 282, 379, 507]
[65, 283, 380, 508]
[66, 287, 381, 512]
[67, 285, 382, 510]
[68, 286, 383, 511]
[129, 290, 384, 575]
[130, 288, 385, 573]
[131, 289, 386, 574]
[120, 293, 387, 566]
[121, 291, 388, 564]
[122, 292, 389, 565]
[123, 296, 390, 569]
[124, 294, 391, 567]
[125, 295, 392, 568]
[126, 299, 393, 572]
[127, 297, 394, 570]
[128, 298, 395, 571]
[141, 302, 396, 539]
[142, 300, 397, 537]
[143, 301, 398, 538]
[132, 305, 399, 530]
[133, 303, 400, 528]
[134, 304, 401, 529]
[135, 308, 402, 533]
[136, 306, 403, 531]
[137, 307, 404, 532]
[138, 311, 405, 536]
[139, 309, 406, 534]
[140, 310, 407, 535]
[105, 314, 408, 551]
[106, 312, 409, 549]
[107, 313, 410, 550]
[96, 317, 411, 542]
[97, 315, 412, 540]
[98, 316, 413, 541]
[99, 320, 414, 545]
[100, 318, 415, 543]
[101, 319, 416, 544]
[102, 323, 417, 548]
[103, 321, 418, 546]
[104, 322, 419, 547]
[117, 326, 420, 563]
[118, 324, 421, 561]
[119, 325, 422, 562]
[108, 329, 423, 554]
[109, 327, 424, 552]
[110, 328, 425, 553]
[111, 332, 426, 557]
[112, 330, 427, 555]
[113, 331, 428, 556]
[114, 335, 429, 560]
[115, 333, 430, 558]
[116, 334, 431, 559]
[2, 177, 432, 623]
[0, 178, 433, 621]
[1, 179, 434, 622]
[5, 168, 435, 614]
[3, 169, 436, 612]
[4, 170, 437, 613]
[8, 171, 438, 617]
[6, 172, 439, 615]
[7, 173, 440, 616]
[11, 174, 441, 620]
[9, 175, 442, 618]
[10, 176, 443, 619]
[14, 189, 444, 587]
[12, 190, 445, 585]
[13, 191, 446, 586]
[17, 180, 447, 578]
[15, 181, 448, 576]
[16, 182, 449, 577]
[20, 183, 450, 581]
[18, 184, 451, 579]
[19, 185, 452, 580]
[23, 186, 453, 584]
[21, 187, 454, 582]
[22, 188, 455, 583]
[26, 153, 456, 599]
[24, 154, 457, 597]
[25, 155, 458, 598]
[29, 144, 459, 590]
[27, 145, 460, 588]
[28, 146, 461, 589]
[32, 147, 462, 593]
[30, 148, 463, 591]
[31, 149, 464, 592]
[35, 150, 465, 596]
[33, 151, 466, 594]
[34, 152, 467, 595]
[38, 165, 468, 611]
[36, 166, 469, 609]
[37, 167, 470, 610]
[41, 156, 471, 602]
[39, 157, 472, 600]
[40, 158, 473, 601]
[44, 159, 474, 605]
[42, 160, 475, 603]
[43, 161, 476, 604]
[47, 162, 477, 608]
[45, 163, 478, 606]
[46, 164, 479, 607]