Parity checks
X-checks 156 (max weight 9) · Z-checks 156 (max weight 9)
H_X (156 checks, sparse supports)
[0, 32, 48, 124, 128, 164, 216, 240, 279]
[1, 33, 49, 125, 129, 165, 217, 241, 279]
[2, 34, 50, 126, 130, 166, 218, 242, 279]
[3, 35, 51, 127, 131, 167, 219, 243, 279]
[44, 100, 104, 116, 140, 200, 216, 244, 280]
[45, 101, 105, 117, 141, 201, 217, 245, 280]
[46, 102, 106, 118, 142, 202, 218, 246, 280]
[47, 103, 107, 119, 143, 203, 219, 247, 280]
[84, 96, 100, 112, 136, 156, 188, 240, 281]
[85, 97, 101, 113, 137, 157, 189, 241, 281]
[86, 98, 102, 114, 138, 158, 190, 242, 281]
[87, 99, 103, 115, 139, 159, 191, 243, 281]
[20, 80, 92, 108, 160, 184, 216, 236, 282]
[21, 81, 93, 109, 161, 185, 217, 237, 282]
[22, 82, 94, 110, 162, 186, 218, 238, 282]
[23, 83, 95, 111, 163, 187, 219, 239, 282]
[16, 76, 88, 104, 164, 180, 220, 232, 283]
[17, 77, 89, 105, 165, 181, 221, 233, 283]
[18, 78, 90, 106, 166, 182, 222, 234, 283]
[19, 79, 91, 107, 167, 183, 223, 235, 283]
[24, 80, 88, 100, 176, 192, 204, 228, 284]
[25, 81, 89, 101, 177, 193, 205, 229, 284]
[26, 82, 90, 102, 178, 194, 206, 230, 284]
[27, 83, 91, 103, 179, 195, 207, 231, 284]
[60, 72, 80, 96, 140, 164, 196, 224, 285]
[61, 73, 81, 97, 141, 165, 197, 225, 285]
[62, 74, 82, 98, 142, 166, 198, 226, 285]
[63, 75, 83, 99, 143, 167, 199, 227, 285]
[56, 84, 92, 124, 144, 192, 220, 244, 286]
[57, 85, 93, 125, 145, 193, 221, 245, 286]
[58, 86, 94, 126, 146, 194, 222, 246, 286]
[59, 87, 95, 127, 147, 195, 223, 247, 286]
[4, 52, 64, 88, 148, 156, 216, 252, 287]
[5, 53, 65, 89, 149, 157, 217, 253, 287]
[6, 54, 66, 90, 150, 158, 218, 254, 287]
[7, 55, 67, 91, 151, 159, 219, 255, 287]
[60, 68, 84, 88, 128, 172, 212, 236, 288]
[61, 69, 85, 89, 129, 173, 213, 237, 288]
[62, 70, 86, 90, 130, 174, 214, 238, 288]
[63, 71, 87, 91, 131, 175, 215, 239, 288]
[8, 56, 64, 80, 168, 180, 208, 240, 289]
[9, 57, 65, 81, 169, 181, 209, 241, 289]
[10, 58, 66, 82, 170, 182, 210, 242, 289]
[11, 59, 67, 83, 171, 183, 211, 243, 289]
[52, 76, 96, 124, 152, 184, 204, 248, 290]
[53, 77, 97, 125, 153, 185, 205, 249, 290]
[54, 78, 98, 126, 154, 186, 206, 250, 290]
[55, 79, 99, 127, 155, 187, 207, 251, 290]
[36, 48, 56, 72, 148, 172, 200, 204, 291]
[37, 49, 57, 73, 149, 173, 201, 205, 291]
[38, 50, 58, 74, 150, 174, 202, 206, 291]
[39, 51, 59, 75, 151, 175, 203, 207, 291]
[32, 44, 52, 68, 144, 176, 196, 208, 292]
[33, 45, 53, 69, 145, 177, 197, 209, 292]
[34, 46, 54, 70, 146, 178, 198, 210, 292]
[35, 47, 55, 71, 147, 179, 199, 211, 292]
[0, 28, 40, 64, 140, 192, 212, 248, 293]
[1, 29, 41, 65, 141, 193, 213, 249, 293]
[2, 30, 42, 66, 142, 194, 214, 250, 293]
[3, 31, 43, 67, 143, 195, 215, 251, 293]
[36, 44, 60, 64, 152, 160, 188, 220, 294]
[37, 45, 61, 65, 153, 161, 189, 221, 294]
[38, 46, 62, 66, 154, 162, 190, 222, 294]
[39, 47, 63, 67, 155, 163, 191, 223, 294]
[40, 56, 68, 116, 156, 184, 224, 232, 295]
[41, 57, 69, 117, 157, 185, 225, 233, 295]
[42, 58, 70, 118, 158, 186, 226, 234, 295]
[43, 59, 71, 119, 159, 187, 227, 235, 295]
[28, 52, 72, 120, 136, 180, 236, 244, 296]
[29, 53, 73, 121, 137, 181, 237, 245, 296]
[30, 54, 74, 122, 138, 182, 238, 246, 296]
[31, 55, 75, 123, 139, 183, 239, 247, 296]
[20, 48, 112, 116, 152, 176, 180, 212, 297]
[21, 49, 113, 117, 153, 177, 181, 213, 297]
[22, 50, 114, 118, 154, 178, 182, 214, 297]
[23, 51, 115, 119, 155, 179, 183, 215, 297]
[16, 24, 28, 44, 132, 172, 184, 240, 298]
[17, 25, 29, 45, 133, 173, 185, 241, 298]
[18, 26, 30, 46, 134, 174, 186, 242, 298]
[19, 27, 31, 47, 135, 175, 187, 243, 298]
[12, 32, 40, 104, 168, 188, 204, 236, 299]
[13, 33, 41, 105, 169, 189, 205, 237, 299]
[14, 34, 42, 106, 170, 190, 206, 238, 299]
[15, 35, 43, 107, 171, 191, 207, 239, 299]
[20, 24, 36, 40, 136, 144, 164, 252, 300]
[21, 25, 37, 41, 137, 145, 165, 253, 300]
[22, 26, 38, 42, 138, 146, 166, 254, 300]
[23, 27, 39, 43, 139, 147, 167, 255, 300]
[12, 28, 48, 108, 156, 196, 220, 228, 301]
[13, 29, 49, 109, 157, 197, 221, 229, 301]
[14, 30, 50, 110, 158, 198, 222, 230, 301]
[15, 31, 51, 111, 159, 199, 223, 231, 301]
[0, 1, 2, 3, 256, 258, 264, 277]
[4, 5, 6, 7, 260, 271, 274]
[8, 9, 10, 11, 261, 268]
[12, 13, 14, 15, 266, 275]
[16, 17, 18, 19, 265, 268, 276]
[20, 21, 22, 23, 269]
[24, 25, 26, 27, 256, 257, 262, 278]
[28, 29, 30, 31, 261, 263, 269]
[32, 33, 34, 35, 262, 270]
[36, 37, 38, 39, 277]
[40, 41, 42, 43, 259, 267, 271, 276]
[44, 45, 46, 47, 258, 272, 275]
[48, 49, 50, 51, 265, 273, 274, 278]
[52, 53, 54, 55, 257, 259, 273]
[56, 57, 58, 59, 260, 262, 272]
[60, 61, 62, 63, 263, 271, 278]
[64, 65, 66, 67, 265, 270]
[68, 69, 70, 71, 266, 269, 274]
[72, 73, 74, 75, 267, 268, 275]
[76, 77, 78, 79, 267, 272, 278]
[80, 81, 82, 83, 258, 266, 273, 276]
[84, 85, 86, 87, 256, 259, 265, 275]
[88, 89, 90, 91, 264]
[92, 93, 94, 95, 257, 263, 270]
[96, 97, 98, 99, 262, 269, 277]
[100, 101, 102, 103, 261, 267, 270, 274]
[104, 105, 106, 107, 260, 263, 273, 277]
[108, 109, 110, 111, 259, 264, 272]
[112, 113, 114, 115, 258, 271]
[116, 117, 118, 119, 257, 264, 268]
[120, 121, 122, 123, 256, 260, 266]
[124, 125, 126, 127, 261, 276]
[128, 129, 130, 131, 256, 274]
[132, 133, 134, 135, 256, 263, 268]
[136, 137, 138, 139, 256, 267, 269]
[140, 141, 142, 143, 258, 263, 267]
[144, 145, 146, 147, 259, 262]
[148, 149, 150, 151, 260, 265]
[152, 153, 154, 155, 278]
[156, 157, 158, 159, 259, 274]
[160, 161, 162, 163, 258]
[164, 165, 166, 167, 276, 277, 278]
[168, 169, 170, 171, 260, 276]
[172, 173, 174, 175, 275, 278]
[176, 177, 178, 179, 257, 258, 274]
[180, 181, 182, 183, 268, 273]
[184, 185, 186, 187, 257, 269, 272, 276]
[188, 189, 190, 191, 270, 271, 275, 277]
[192, 193, 194, 195, 256, 270, 276]
[196, 197, 198, 199, 269, 273, 275]
[200, 201, 202, 203, 268, 272, 274, 277]
[204, 205, 206, 207, 262, 267, 273]
[208, 209, 210, 211, 266, 270, 272]
[212, 213, 214, 215, 264, 265, 269, 271]
[216, 217, 218, 219, 264, 270, 273]
[220, 221, 222, 223, 263, 265, 272]
[224, 225, 226, 227, 262, 266, 268, 271]
[228, 229, 230, 231, 261, 264, 266, 278]
[232, 233, 234, 235, 260, 264, 267]
[236, 237, 238, 239, 259, 263, 266]
[240, 241, 242, 243, 258, 261, 262, 265]
[244, 245, 246, 247, 257, 260, 261, 275]
[248, 249, 250, 251, 259, 261, 277]
[252, 253, 254, 255, 257, 271]
H_Z (156 checks, sparse supports)
[0, 24, 84, 120, 128, 132, 136, 192, 256]
[1, 25, 85, 121, 129, 133, 137, 193, 256]
[2, 26, 86, 122, 130, 134, 138, 194, 256]
[3, 27, 87, 123, 131, 135, 139, 195, 256]
[24, 52, 92, 116, 176, 184, 244, 252, 257]
[25, 53, 93, 117, 177, 185, 245, 253, 257]
[26, 54, 94, 118, 178, 186, 246, 254, 257]
[27, 55, 95, 119, 179, 187, 247, 255, 257]
[0, 44, 80, 112, 140, 160, 176, 240, 258]
[1, 45, 81, 113, 141, 161, 177, 241, 258]
[2, 46, 82, 114, 142, 162, 178, 242, 258]
[3, 47, 83, 115, 143, 163, 179, 243, 258]
[40, 52, 84, 108, 144, 156, 236, 248, 259]
[41, 53, 85, 109, 145, 157, 237, 249, 259]
[42, 54, 86, 110, 146, 158, 238, 250, 259]
[43, 55, 87, 111, 147, 159, 239, 251, 259]
[4, 56, 104, 120, 148, 168, 232, 244, 260]
[5, 57, 105, 121, 149, 169, 233, 245, 260]
[6, 58, 106, 122, 150, 170, 234, 246, 260]
[7, 59, 107, 123, 151, 171, 235, 247, 260]
[8, 28, 100, 124, 228, 240, 244, 248, 261]
[9, 29, 101, 125, 229, 241, 245, 249, 261]
[10, 30, 102, 126, 230, 242, 246, 250, 261]
[11, 31, 103, 127, 231, 243, 247, 251, 261]
[24, 32, 56, 96, 144, 204, 224, 240, 262]
[25, 33, 57, 97, 145, 205, 225, 241, 262]
[26, 34, 58, 98, 146, 206, 226, 242, 262]
[27, 35, 59, 99, 147, 207, 227, 243, 262]
[28, 60, 92, 104, 132, 140, 220, 236, 263]
[29, 61, 93, 105, 133, 141, 221, 237, 263]
[30, 62, 94, 106, 134, 142, 222, 238, 263]
[31, 63, 95, 107, 135, 143, 223, 239, 263]
[0, 88, 108, 116, 212, 216, 228, 232, 264]
[1, 89, 109, 117, 213, 217, 229, 233, 264]
[2, 90, 110, 118, 214, 218, 230, 234, 264]
[3, 91, 111, 119, 215, 219, 231, 235, 264]
[16, 48, 64, 84, 148, 212, 220, 240, 265]
[17, 49, 65, 85, 149, 213, 221, 241, 265]
[18, 50, 66, 86, 150, 214, 222, 242, 265]
[19, 51, 67, 87, 151, 215, 223, 243, 265]
[12, 68, 80, 120, 208, 224, 228, 236, 266]
[13, 69, 81, 121, 209, 225, 229, 237, 266]
[14, 70, 82, 122, 210, 226, 230, 238, 266]
[15, 71, 83, 123, 211, 227, 231, 239, 266]
[40, 72, 76, 100, 136, 140, 204, 232, 267]
[41, 73, 77, 101, 137, 141, 205, 233, 267]
[42, 74, 78, 102, 138, 142, 206, 234, 267]
[43, 75, 79, 103, 139, 143, 207, 235, 267]
[8, 16, 72, 116, 132, 180, 200, 224, 268]
[9, 17, 73, 117, 133, 181, 201, 225, 268]
[10, 18, 74, 118, 134, 182, 202, 226, 268]
[11, 19, 75, 119, 135, 183, 203, 227, 268]
[20, 28, 68, 96, 136, 184, 196, 212, 269]
[21, 29, 69, 97, 137, 185, 197, 213, 269]
[22, 30, 70, 98, 138, 186, 198, 214, 269]
[23, 31, 71, 99, 139, 187, 199, 215, 269]
[32, 64, 92, 100, 188, 192, 208, 216, 270]
[33, 65, 93, 101, 189, 193, 209, 217, 270]
[34, 66, 94, 102, 190, 194, 210, 218, 270]
[35, 67, 95, 103, 191, 195, 211, 219, 270]
[4, 40, 60, 112, 188, 212, 224, 252, 271]
[5, 41, 61, 113, 189, 213, 225, 253, 271]
[6, 42, 62, 114, 190, 214, 226, 254, 271]
[7, 43, 63, 115, 191, 215, 227, 255, 271]
[44, 56, 76, 108, 184, 200, 208, 220, 272]
[45, 57, 77, 109, 185, 201, 209, 221, 272]
[46, 58, 78, 110, 186, 202, 210, 222, 272]
[47, 59, 79, 111, 187, 203, 211, 223, 272]
[48, 52, 80, 104, 180, 196, 204, 216, 273]
[49, 53, 81, 105, 181, 197, 205, 217, 273]
[50, 54, 82, 106, 182, 198, 206, 218, 273]
[51, 55, 83, 107, 183, 199, 207, 219, 273]
[4, 48, 68, 100, 128, 156, 176, 200, 274]
[5, 49, 69, 101, 129, 157, 177, 201, 274]
[6, 50, 70, 102, 130, 158, 178, 202, 274]
[7, 51, 71, 103, 131, 159, 179, 203, 274]
[12, 44, 72, 84, 172, 188, 196, 244, 275]
[13, 45, 73, 85, 173, 189, 197, 245, 275]
[14, 46, 74, 86, 174, 190, 198, 246, 275]
[15, 47, 75, 87, 175, 191, 199, 247, 275]
[16, 40, 80, 124, 164, 168, 184, 192, 276]
[17, 41, 81, 125, 165, 169, 185, 193, 276]
[18, 42, 82, 126, 166, 170, 186, 194, 276]
[19, 43, 83, 127, 167, 171, 187, 195, 276]
[0, 36, 96, 104, 164, 188, 200, 248, 277]
[1, 37, 97, 105, 165, 189, 201, 249, 277]
[2, 38, 98, 106, 166, 190, 202, 250, 277]
[3, 39, 99, 107, 167, 191, 203, 251, 277]
[24, 48, 60, 76, 152, 164, 172, 228, 278]
[25, 49, 61, 77, 153, 165, 173, 229, 278]
[26, 50, 62, 78, 154, 166, 174, 230, 278]
[27, 51, 63, 79, 155, 167, 175, 231, 278]
[0, 1, 2, 3, 279, 293]
[4, 5, 6, 7, 287]
[8, 9, 10, 11, 289]
[12, 13, 14, 15, 299, 301]
[16, 17, 18, 19, 283, 298]
[20, 21, 22, 23, 282, 297, 300]
[24, 25, 26, 27, 284, 298, 300]
[28, 29, 30, 31, 293, 296, 298, 301]
[32, 33, 34, 35, 279, 292, 299]
[36, 37, 38, 39, 291, 294, 300]
[40, 41, 42, 43, 293, 295, 299, 300]
[44, 45, 46, 47, 280, 292, 294, 298]
[48, 49, 50, 51, 279, 291, 297, 301]
[52, 53, 54, 55, 287, 290, 292, 296]
[56, 57, 58, 59, 286, 289, 291, 295]
[60, 61, 62, 63, 285, 288, 294]
[64, 65, 66, 67, 287, 289, 293, 294]
[68, 69, 70, 71, 288, 292, 295]
[72, 73, 74, 75, 285, 291, 296]
[76, 77, 78, 79, 283, 290]
[80, 81, 82, 83, 282, 284, 285, 289]
[84, 85, 86, 87, 281, 286, 288]
[88, 89, 90, 91, 283, 284, 287, 288]
[92, 93, 94, 95, 282, 286]
[96, 97, 98, 99, 281, 285, 290]
[100, 101, 102, 103, 280, 281, 284]
[104, 105, 106, 107, 280, 283, 299]
[108, 109, 110, 111, 282, 301]
[112, 113, 114, 115, 281, 297]
[116, 117, 118, 119, 280, 295, 297]
[120, 121, 122, 123, 296]
[124, 125, 126, 127, 279, 286, 290]
[128, 129, 130, 131, 279, 288]
[132, 133, 134, 135, 298]
[136, 137, 138, 139, 281, 296, 300]
[140, 141, 142, 143, 280, 285, 293]
[144, 145, 146, 147, 286, 292, 300]
[148, 149, 150, 151, 287, 291]
[152, 153, 154, 155, 290, 294, 297]
[156, 157, 158, 159, 281, 287, 295, 301]
[160, 161, 162, 163, 282, 294]
[164, 165, 166, 167, 279, 283, 285, 300]
[168, 169, 170, 171, 289, 299]
[172, 173, 174, 175, 288, 291, 298]
[176, 177, 178, 179, 284, 292, 297]
[180, 181, 182, 183, 283, 289, 296, 297]
[184, 185, 186, 187, 282, 290, 295, 298]
[188, 189, 190, 191, 281, 294, 299]
[192, 193, 194, 195, 284, 286, 293]
[196, 197, 198, 199, 285, 292, 301]
[200, 201, 202, 203, 280, 291]
[204, 205, 206, 207, 284, 290, 291, 299]
[208, 209, 210, 211, 289, 292]
[212, 213, 214, 215, 288, 293, 297]
[216, 217, 218, 219, 279, 280, 282, 287]
[220, 221, 222, 223, 283, 286, 294, 301]
[224, 225, 226, 227, 285, 295]
[228, 229, 230, 231, 284, 301]
[232, 233, 234, 235, 283, 295]
[236, 237, 238, 239, 282, 288, 296, 299]
[240, 241, 242, 243, 279, 281, 289, 298]
[244, 245, 246, 247, 280, 286, 296]
[248, 249, 250, 251, 290, 293]
[252, 253, 254, 255, 287, 300]