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