C4graphGraph forms for C4 [ 512, 17 ] = PS(16,64;15)

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On this page are computer-accessible forms for the graph C4[ 512, 17 ] = PS(16,64;15).

(I) Following is a form readable by MAGMA:

g:=Graph<512|{ {64, 72}, {448, 456}, {192, 200}, {320, 328}, {128, 137}, {384, 393}, {256, 265}, {96, 111}, {480, 495}, {224, 239}, {352, 367}, {96, 112}, {480, 496}, {224, 240}, {352, 368}, {128, 152}, {384, 408}, {256, 280}, {64, 89}, {448, 473}, {192, 217}, {320, 345}, {32, 63}, {416, 447}, {160, 191}, {288, 319}, {1, 33}, {415, 447}, {414, 446}, {413, 445}, {412, 444}, {411, 443}, {410, 442}, {409, 441}, {408, 440}, {407, 439}, {406, 438}, {405, 437}, {404, 436}, {403, 435}, {402, 434}, {401, 433}, {400, 432}, {399, 431}, {398, 430}, {397, 429}, {396, 428}, {395, 427}, {394, 426}, {393, 425}, {392, 424}, {391, 423}, {390, 422}, {389, 421}, {388, 420}, {387, 419}, {386, 418}, {385, 417}, {159, 191}, {158, 190}, {157, 189}, {156, 188}, {155, 187}, {154, 186}, {153, 185}, {152, 184}, {151, 183}, {150, 182}, {149, 181}, {148, 180}, {147, 179}, {146, 178}, {145, 177}, {144, 176}, {143, 175}, {142, 174}, {141, 173}, {140, 172}, {139, 171}, {138, 170}, {137, 169}, {136, 168}, {135, 167}, {134, 166}, {133, 165}, {132, 164}, {131, 163}, {130, 162}, {129, 161}, {2, 34}, {3, 35}, {4, 36}, {5, 37}, {6, 38}, {7, 39}, {8, 40}, {9, 41}, {10, 42}, {11, 43}, {12, 44}, {13, 45}, {14, 46}, {15, 47}, {16, 48}, {17, 49}, {18, 50}, {19, 51}, {20, 52}, {21, 53}, {22, 54}, {23, 55}, {24, 56}, {25, 57}, {26, 58}, {27, 59}, {28, 60}, {29, 61}, {30, 62}, {31, 63}, {257, 289}, {258, 290}, {259, 291}, {260, 292}, {261, 293}, {262, 294}, {263, 295}, {264, 296}, {265, 297}, {266, 298}, {267, 299}, {268, 300}, {269, 301}, {270, 302}, {271, 303}, {272, 304}, {273, 305}, {274, 306}, {275, 307}, {276, 308}, {277, 309}, {278, 310}, {279, 311}, {280, 312}, {281, 313}, {282, 314}, {283, 315}, {284, 316}, {285, 317}, {286, 318}, {287, 319}, {3, 34}, {415, 446}, {413, 444}, {411, 442}, {409, 440}, {407, 438}, {405, 436}, {403, 434}, {401, 432}, {399, 430}, {397, 428}, {395, 426}, {393, 424}, {391, 422}, {389, 420}, {387, 418}, {159, 190}, {157, 188}, {155, 186}, {153, 184}, {151, 182}, {149, 180}, {147, 178}, {145, 176}, {143, 174}, {141, 172}, {139, 170}, {137, 168}, {135, 166}, {133, 164}, {131, 162}, {5, 36}, {7, 38}, {9, 40}, {11, 42}, {13, 44}, {15, 46}, {17, 48}, {19, 50}, {21, 52}, {23, 54}, {25, 56}, {27, 58}, {29, 60}, {31, 62}, {259, 290}, {261, 292}, {263, 294}, {265, 296}, {267, 298}, {269, 300}, {271, 302}, {273, 304}, {275, 306}, {277, 308}, {279, 310}, {281, 312}, {283, 314}, {285, 316}, {287, 318}, {2, 33}, {414, 445}, {410, 441}, {406, 437}, {402, 433}, {398, 429}, {394, 425}, {390, 421}, {386, 417}, {158, 189}, {154, 185}, {150, 181}, {146, 177}, {142, 173}, {138, 169}, {134, 165}, {130, 161}, {6, 37}, {10, 41}, {14, 45}, {18, 49}, {22, 53}, {26, 57}, {30, 61}, {258, 289}, {262, 293}, {266, 297}, {270, 301}, {274, 305}, {278, 309}, {282, 313}, {286, 317}, {4, 35}, {412, 443}, {404, 435}, {396, 427}, {388, 419}, {156, 187}, {148, 179}, {140, 171}, {132, 163}, {12, 43}, {20, 51}, {28, 59}, {260, 291}, {268, 299}, {276, 307}, {284, 315}, {8, 39}, {464, 511}, {408, 439}, {392, 423}, {152, 183}, {136, 167}, {24, 55}, {80, 127}, {208, 255}, {264, 295}, {280, 311}, {336, 383}, {65, 113}, {479, 495}, {478, 494}, {477, 493}, {476, 492}, {475, 491}, {474, 490}, {473, 489}, {472, 488}, {471, 487}, {470, 486}, {469, 485}, {468, 484}, {467, 483}, {466, 482}, {465, 481}, {463, 511}, {462, 510}, {461, 509}, {460, 508}, {459, 507}, {458, 506}, {457, 505}, {456, 504}, {455, 503}, {454, 502}, {453, 501}, {452, 500}, {451, 499}, {450, 498}, {449, 497}, {199, 247}, {198, 246}, {197, 245}, {196, 244}, {195, 243}, {194, 242}, {193, 241}, {66, 114}, {67, 115}, {68, 116}, {69, 117}, {70, 118}, {71, 119}, {72, 120}, {73, 121}, {74, 122}, {75, 123}, {76, 124}, {77, 125}, {78, 126}, {79, 127}, {81, 97}, {82, 98}, {83, 99}, {84, 100}, {85, 101}, {86, 102}, {87, 103}, {88, 104}, {89, 105}, {90, 106}, {91, 107}, {92, 108}, {93, 109}, {94, 110}, {95, 111}, {200, 248}, {201, 249}, {202, 250}, {203, 251}, {204, 252}, {205, 253}, {206, 254}, {207, 255}, {209, 225}, {210, 226}, {211, 227}, {212, 228}, {213, 229}, {214, 230}, {215, 231}, {216, 232}, {217, 233}, {218, 234}, {219, 235}, {220, 236}, {221, 237}, {222, 238}, {223, 239}, {321, 369}, {322, 370}, {323, 371}, {324, 372}, {325, 373}, {326, 374}, {327, 375}, {328, 376}, {329, 377}, {330, 378}, {331, 379}, {332, 380}, {333, 381}, {334, 382}, {335, 383}, {337, 353}, {338, 354}, {339, 355}, {340, 356}, {341, 357}, {342, 358}, {343, 359}, {344, 360}, {345, 361}, {346, 362}, {347, 363}, {348, 364}, {349, 365}, {350, 366}, {351, 367}, {65, 112}, {479, 494}, {477, 492}, {475, 490}, {473, 488}, {471, 486}, {469, 484}, {467, 482}, {463, 510}, {461, 508}, {459, 506}, {457, 504}, {455, 502}, {453, 500}, {451, 498}, {449, 496}, {199, 246}, {197, 244}, {195, 242}, {193, 240}, {67, 114}, {69, 116}, {71, 118}, {73, 120}, {75, 122}, {77, 124}, {79, 126}, {83, 98}, {85, 100}, {87, 102}, {89, 104}, {91, 106}, {93, 108}, {95, 110}, {201, 248}, {203, 250}, {205, 252}, {207, 254}, {211, 226}, {213, 228}, {215, 230}, {217, 232}, {219, 234}, {221, 236}, {223, 238}, {321, 368}, {323, 370}, {325, 372}, {327, 374}, {329, 376}, {331, 378}, {333, 380}, {335, 382}, {339, 354}, {341, 356}, {343, 358}, {345, 360}, {347, 362}, {349, 364}, {351, 366}, {66, 113}, {478, 493}, {474, 489}, {470, 485}, {466, 481}, {462, 509}, {458, 505}, {454, 501}, {450, 497}, {198, 245}, {194, 241}, {70, 117}, {74, 121}, {78, 125}, {82, 97}, {86, 101}, {90, 105}, {94, 109}, {202, 249}, {206, 253}, {210, 225}, {214, 229}, {218, 233}, {222, 237}, {322, 369}, {326, 373}, {330, 377}, {334, 381}, {338, 353}, {342, 357}, {346, 361}, {350, 365}, {68, 115}, {476, 491}, {468, 483}, {460, 507}, {452, 499}, {196, 243}, {76, 123}, {84, 99}, {92, 107}, {204, 251}, {212, 227}, {220, 235}, {324, 371}, {332, 379}, {340, 355}, {348, 363}, {16, 47}, {472, 487}, {456, 503}, {400, 431}, {200, 247}, {144, 175}, {72, 119}, {88, 103}, {216, 231}, {272, 303}, {328, 375}, {344, 359}, {1, 64}, {385, 448}, {129, 192}, {257, 320}, {39, 96}, {423, 480}, {167, 224}, {295, 352}, {56, 96}, {440, 480}, {184, 224}, {312, 352}, {32, 64}, {416, 448}, {160, 192}, {288, 320}, {47, 72}, {447, 472}, {439, 464}, {431, 456}, {191, 216}, {183, 208}, {175, 200}, {55, 80}, {63, 88}, {303, 328}, {311, 336}, {319, 344}, {33, 73}, {439, 479}, {438, 478}, {437, 477}, {436, 476}, {435, 475}, {434, 474}, {433, 473}, {432, 472}, {423, 463}, {422, 462}, {421, 461}, {420, 460}, {419, 459}, {418, 458}, {417, 457}, {183, 223}, {182, 222}, {181, 221}, {180, 220}, {179, 219}, {178, 218}, {177, 217}, {176, 216}, {167, 207}, {166, 206}, {165, 205}, {164, 204}, {163, 203}, {162, 202}, {161, 201}, {34, 74}, {35, 75}, {36, 76}, {37, 77}, {38, 78}, {39, 79}, {48, 88}, {49, 89}, {50, 90}, {51, 91}, {52, 92}, {53, 93}, {54, 94}, {55, 95}, {289, 329}, {290, 330}, {291, 331}, {292, 332}, {293, 333}, {294, 334}, {295, 335}, {304, 344}, {305, 345}, {306, 346}, {307, 347}, {308, 348}, {309, 349}, {310, 350}, {311, 351}, {40, 65}, {446, 471}, {444, 469}, {442, 467}, {440, 465}, {430, 455}, {428, 453}, {426, 451}, {424, 449}, {190, 215}, {188, 213}, {186, 211}, {184, 209}, {174, 199}, {172, 197}, {170, 195}, {168, 193}, {42, 67}, {44, 69}, {46, 71}, {56, 81}, {58, 83}, {60, 85}, {62, 87}, {296, 321}, {298, 323}, {300, 325}, {302, 327}, {312, 337}, {314, 339}, {316, 341}, {318, 343}, {41, 66}, {445, 470}, {441, 466}, {429, 454}, {425, 450}, {189, 214}, {185, 210}, {173, 198}, {169, 194}, {45, 70}, {57, 82}, {61, 86}, {297, 322}, {301, 326}, {313, 338}, {317, 342}, {43, 68}, {443, 468}, {427, 452}, {187, 212}, {171, 196}, {59, 84}, {299, 324}, {315, 340}, {40, 80}, {447, 455}, {446, 454}, {445, 453}, {444, 452}, {443, 451}, {442, 450}, {441, 449}, {431, 471}, {430, 470}, {429, 469}, {428, 468}, {427, 467}, {426, 466}, {425, 465}, {424, 464}, {191, 199}, {190, 198}, {189, 197}, {188, 196}, {187, 195}, {186, 194}, {185, 193}, {175, 215}, {174, 214}, {173, 213}, {172, 212}, {171, 211}, {170, 210}, {169, 209}, {168, 208}, {41, 81}, {42, 82}, {43, 83}, {44, 84}, {45, 85}, {46, 86}, {47, 87}, {57, 65}, {58, 66}, {59, 67}, {60, 68}, {61, 69}, {62, 70}, {63, 71}, {296, 336}, {297, 337}, {298, 338}, {299, 339}, {300, 340}, {301, 341}, {302, 342}, {303, 343}, {313, 321}, {314, 322}, {315, 323}, {316, 324}, {317, 325}, {318, 326}, {319, 327}, {34, 91}, {438, 463}, {436, 461}, {434, 459}, {432, 457}, {422, 479}, {420, 477}, {418, 475}, {182, 207}, {180, 205}, {178, 203}, {176, 201}, {166, 223}, {164, 221}, {162, 219}, {36, 93}, {38, 95}, {48, 73}, {50, 75}, {52, 77}, {54, 79}, {290, 347}, {292, 349}, {294, 351}, {304, 329}, {306, 331}, {308, 333}, {310, 335}, {33, 90}, {437, 462}, {433, 458}, {421, 478}, {417, 474}, {181, 206}, {177, 202}, {165, 222}, {161, 218}, {37, 94}, {49, 74}, {53, 78}, {289, 346}, {293, 350}, {305, 330}, {309, 334}, {35, 92}, {435, 460}, {419, 476}, {179, 204}, {163, 220}, {51, 76}, {291, 348}, {307, 332}, {104, 160}, {360, 416}, {80, 128}, {336, 384}, {81, 128}, {337, 384}, {119, 160}, {375, 416}, {105, 129}, {383, 407}, {382, 406}, {381, 405}, {380, 404}, {379, 403}, {378, 402}, {377, 401}, {376, 400}, {367, 391}, {366, 390}, {365, 389}, {364, 388}, {363, 387}, {362, 386}, {361, 385}, {127, 151}, {126, 150}, {125, 149}, {124, 148}, {123, 147}, {122, 146}, {121, 145}, {120, 144}, {111, 135}, {106, 130}, {107, 131}, {108, 132}, {109, 133}, {110, 134}, {98, 139}, {374, 415}, {372, 413}, {370, 411}, {368, 409}, {118, 159}, {116, 157}, {114, 155}, {112, 153}, {100, 141}, {102, 143}, {354, 395}, {356, 397}, {358, 399}, {97, 138}, {373, 414}, {369, 410}, {117, 158}, {113, 154}, {101, 142}, {353, 394}, {357, 398}, {99, 140}, {371, 412}, {115, 156}, {355, 396}, {103, 144}, {383, 392}, {367, 408}, {359, 400}, {127, 136}, {111, 152}, {97, 153}, {375, 399}, {374, 398}, {373, 397}, {372, 396}, {371, 395}, {370, 394}, {369, 393}, {368, 392}, {359, 415}, {358, 414}, {119, 143}, {118, 142}, {117, 141}, {116, 140}, {115, 139}, {114, 138}, {113, 137}, {112, 136}, {98, 154}, {99, 155}, {100, 156}, {101, 157}, {102, 158}, {103, 159}, {353, 409}, {354, 410}, {355, 411}, {356, 412}, {357, 413}, {104, 145}, {382, 391}, {380, 389}, {378, 387}, {376, 385}, {366, 407}, {364, 405}, {362, 403}, {360, 401}, {126, 135}, {124, 133}, {122, 131}, {120, 129}, {110, 151}, {106, 147}, {108, 149}, {105, 146}, {381, 390}, {377, 386}, {365, 406}, {361, 402}, {125, 134}, {121, 130}, {109, 150}, {107, 148}, {379, 388}, {363, 404}, {123, 132}, {32, 488}, {232, 288}, {208, 256}, {209, 256}, {32, 503}, {247, 288}, {1, 489}, {2, 490}, {3, 491}, {4, 492}, {5, 493}, {6, 494}, {7, 495}, {16, 504}, {17, 505}, {18, 506}, {19, 507}, {20, 508}, {21, 509}, {22, 510}, {23, 511}, {233, 257}, {234, 258}, {235, 259}, {236, 260}, {237, 261}, {238, 262}, {239, 263}, {248, 272}, {249, 273}, {250, 274}, {251, 275}, {252, 276}, {253, 277}, {254, 278}, {255, 279}, {11, 482}, {13, 484}, {15, 486}, {25, 496}, {27, 498}, {29, 500}, {31, 502}, {226, 267}, {228, 269}, {230, 271}, {240, 281}, {242, 283}, {244, 285}, {246, 287}, {10, 481}, {14, 485}, {26, 497}, {30, 501}, {225, 266}, {229, 270}, {241, 282}, {245, 286}, {12, 483}, {28, 499}, {227, 268}, {243, 284}, {8, 511}, {16, 487}, {24, 495}, {231, 272}, {239, 280}, {255, 264}, {8, 496}, {9, 497}, {10, 498}, {11, 499}, {12, 500}, {13, 501}, {14, 502}, {15, 503}, {25, 481}, {26, 482}, {27, 483}, {28, 484}, {29, 485}, {30, 486}, {31, 487}, {225, 281}, {226, 282}, {227, 283}, {228, 284}, {229, 285}, {230, 286}, {231, 287}, {240, 264}, {241, 265}, {242, 266}, {243, 267}, {244, 268}, {245, 269}, {246, 270}, {247, 271}, {1, 504}, {3, 506}, {5, 508}, {7, 510}, {17, 488}, {19, 490}, {21, 492}, {23, 494}, {232, 273}, {234, 275}, {236, 277}, {238, 279}, {248, 257}, {250, 259}, {252, 261}, {254, 263}, {2, 505}, {6, 509}, {18, 489}, {22, 493}, {233, 274}, {237, 278}, {249, 258}, {253, 262}, {4, 507}, {20, 491}, {235, 276}, {251, 260}, {9, 512}, {24, 512}, {464, 512}, {465, 512} }>;

(II) A more general form is to represent the graph as the orbit of {64, 72} under the group generated by the following permutations:

a: (2, 32)(3, 31)(4, 30)(5, 29)(6, 28)(7, 27)(8, 26)(9, 25)(10, 24)(11, 23)(12, 22)(13, 21)(14, 20)(15, 19)(16, 18)(33, 64)(34, 63)(35, 62)(36, 61)(37, 60)(38, 59)(39, 58)(40, 57)(41, 56)(42, 55)(43, 54)(44, 53)(45, 52)(46, 51)(47, 50)(48, 49)(66, 96)(67, 95)(68, 94)(69, 93)(70, 92)(71, 91)(72, 90)(73, 89)(74, 88)(75, 87)(76, 86)(77, 85)(78, 84)(79, 83)(80, 82)(97, 128)(98, 127)(99, 126)(100, 125)(101, 124)(102, 123)(103, 122)(104, 121)(105, 120)(106, 119)(107, 118)(108, 117)(109, 116)(110, 115)(111, 114)(112, 113)(130, 160)(131, 159)(132, 158)(133, 157)(134, 156)(135, 155)(136, 154)(137, 153)(138, 152)(139, 151)(140, 150)(141, 149)(142, 148)(143, 147)(144, 146)(161, 192)(162, 191)(163, 190)(164, 189)(165, 188)(166, 187)(167, 186)(168, 185)(169, 184)(170, 183)(171, 182)(172, 181)(173, 180)(174, 179)(175, 178)(176, 177)(194, 224)(195, 223)(196, 222)(197, 221)(198, 220)(199, 219)(200, 218)(201, 217)(202, 216)(203, 215)(204, 214)(205, 213)(206, 212)(207, 211)(208, 210)(225, 256)(226, 255)(227, 254)(228, 253)(229, 252)(230, 251)(231, 250)(232, 249)(233, 248)(234, 247)(235, 246)(236, 245)(237, 244)(238, 243)(239, 242)(240, 241)(258, 288)(259, 287)(260, 286)(261, 285)(262, 284)(263, 283)(264, 282)(265, 281)(266, 280)(267, 279)(268, 278)(269, 277)(270, 276)(271, 275)(272, 274)(289, 320)(290, 319)(291, 318)(292, 317)(293, 316)(294, 315)(295, 314)(296, 313)(297, 312)(298, 311)(299, 310)(300, 309)(301, 308)(302, 307)(303, 306)(304, 305)(322, 352)(323, 351)(324, 350)(325, 349)(326, 348)(327, 347)(328, 346)(329, 345)(330, 344)(331, 343)(332, 342)(333, 341)(334, 340)(335, 339)(336, 338)(353, 384)(354, 383)(355, 382)(356, 381)(357, 380)(358, 379)(359, 378)(360, 377)(361, 376)(362, 375)(363, 374)(364, 373)(365, 372)(366, 371)(367, 370)(368, 369)(386, 416)(387, 415)(388, 414)(389, 413)(390, 412)(391, 411)(392, 410)(393, 409)(394, 408)(395, 407)(396, 406)(397, 405)(398, 404)(399, 403)(400, 402)(417, 448)(418, 447)(419, 446)(420, 445)(421, 444)(422, 443)(423, 442)(424, 441)(425, 440)(426, 439)(427, 438)(428, 437)(429, 436)(430, 435)(431, 434)(432, 433)(450, 480)(451, 479)(452, 478)(453, 477)(454, 476)(455, 475)(456, 474)(457, 473)(458, 472)(459, 471)(460, 470)(461, 469)(462, 468)(463, 467)(464, 466)(481, 512)(482, 511)(483, 510)(484, 509)(485, 508)(486, 507)(487, 506)(488, 505)(489, 504)(490, 503)(491, 502)(492, 501)(493, 500)(494, 499)(495, 498)(496, 497)
b: (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)(33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64)(65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96)(97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128)(129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160)(161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192)(193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224)(225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256)(257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288)(289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320)(321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352)(353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384)(385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416)(417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448)(449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480)(481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512)
c: (2, 16)(3, 31)(4, 14)(5, 29)(6, 12)(7, 27)(8, 10)(9, 25)(11, 23)(13, 21)(15, 19)(18, 32)(20, 30)(22, 28)(24, 26)(33, 504)(34, 487)(35, 502)(36, 485)(37, 500)(38, 483)(39, 498)(40, 481)(41, 496)(42, 511)(43, 494)(44, 509)(45, 492)(46, 507)(47, 490)(48, 505)(49, 488)(50, 503)(51, 486)(52, 501)(53, 484)(54, 499)(55, 482)(56, 497)(57, 512)(58, 495)(59, 510)(60, 493)(61, 508)(62, 491)(63, 506)(64, 489)(65, 465)(66, 480)(67, 463)(68, 478)(69, 461)(70, 476)(71, 459)(72, 474)(73, 457)(74, 472)(75, 455)(76, 470)(77, 453)(78, 468)(79, 451)(80, 466)(81, 449)(82, 464)(83, 479)(84, 462)(85, 477)(86, 460)(87, 475)(88, 458)(89, 473)(90, 456)(91, 471)(92, 454)(93, 469)(94, 452)(95, 467)(96, 450)(97, 424)(98, 439)(99, 422)(100, 437)(101, 420)(102, 435)(103, 418)(104, 433)(105, 448)(106, 431)(107, 446)(108, 429)(109, 444)(110, 427)(111, 442)(112, 425)(113, 440)(114, 423)(115, 438)(116, 421)(117, 436)(118, 419)(119, 434)(120, 417)(121, 432)(122, 447)(123, 430)(124, 445)(125, 428)(126, 443)(127, 426)(128, 441)(129, 385)(130, 400)(131, 415)(132, 398)(133, 413)(134, 396)(135, 411)(136, 394)(137, 409)(138, 392)(139, 407)(140, 390)(141, 405)(142, 388)(143, 403)(144, 386)(145, 401)(146, 416)(147, 399)(148, 414)(149, 397)(150, 412)(151, 395)(152, 410)(153, 393)(154, 408)(155, 391)(156, 406)(157, 389)(158, 404)(159, 387)(160, 402)(161, 376)(162, 359)(163, 374)(164, 357)(165, 372)(166, 355)(167, 370)(168, 353)(169, 368)(170, 383)(171, 366)(172, 381)(173, 364)(174, 379)(175, 362)(176, 377)(177, 360)(178, 375)(179, 358)(180, 373)(181, 356)(182, 371)(183, 354)(184, 369)(185, 384)(186, 367)(187, 382)(188, 365)(189, 380)(190, 363)(191, 378)(192, 361)(193, 337)(194, 352)(195, 335)(196, 350)(197, 333)(198, 348)(199, 331)(200, 346)(201, 329)(202, 344)(203, 327)(204, 342)(205, 325)(206, 340)(207, 323)(208, 338)(209, 321)(210, 336)(211, 351)(212, 334)(213, 349)(214, 332)(215, 347)(216, 330)(217, 345)(218, 328)(219, 343)(220, 326)(221, 341)(222, 324)(223, 339)(224, 322)(225, 296)(226, 311)(227, 294)(228, 309)(229, 292)(230, 307)(231, 290)(232, 305)(233, 320)(234, 303)(235, 318)(236, 301)(237, 316)(238, 299)(239, 314)(240, 297)(241, 312)(242, 295)(243, 310)(244, 293)(245, 308)(246, 291)(247, 306)(248, 289)(249, 304)(250, 319)(251, 302)(252, 317)(253, 300)(254, 315)(255, 298)(256, 313)(258, 272)(259, 287)(260, 270)(261, 285)(262, 268)(263, 283)(264, 266)(265, 281)(267, 279)(269, 277)(271, 275)(274, 288)(276, 286)(278, 284)(280, 282)
d: (1, 33, 73, 121, 145, 177, 217, 233, 257, 289, 329, 377, 401, 433, 473, 489)(2, 48, 74, 104, 146, 192, 218, 248, 258, 304, 330, 360, 402, 448, 474, 504)(3, 63, 75, 119, 147, 175, 219, 231, 259, 319, 331, 375, 403, 431, 475, 487)(4, 46, 76, 102, 148, 190, 220, 246, 260, 302, 332, 358, 404, 446, 476, 502)(5, 61, 77, 117, 149, 173, 221, 229, 261, 317, 333, 373, 405, 429, 477, 485)(6, 44, 78, 100, 150, 188, 222, 244, 262, 300, 334, 356, 406, 444, 478, 500)(7, 59, 79, 115, 151, 171, 223, 227, 263, 315, 335, 371, 407, 427, 479, 483)(8, 42, 80, 98, 152, 186, 224, 242, 264, 298, 336, 354, 408, 442, 480, 498)(9, 57, 81, 113, 153, 169, 193, 225, 265, 313, 337, 369, 409, 425, 449, 481)(10, 40, 82, 128, 154, 184, 194, 240, 266, 296, 338, 384, 410, 440, 450, 496)(11, 55, 83, 111, 155, 167, 195, 255, 267, 311, 339, 367, 411, 423, 451, 511)(12, 38, 84, 126, 156, 182, 196, 238, 268, 294, 340, 382, 412, 438, 452, 494)(13, 53, 85, 109, 157, 165, 197, 253, 269, 309, 341, 365, 413, 421, 453, 509)(14, 36, 86, 124, 158, 180, 198, 236, 270, 292, 342, 380, 414, 436, 454, 492)(15, 51, 87, 107, 159, 163, 199, 251, 271, 307, 343, 363, 415, 419, 455, 507)(16, 34, 88, 122, 160, 178, 200, 234, 272, 290, 344, 378, 416, 434, 456, 490)(17, 49, 89, 105, 129, 161, 201, 249, 273, 305, 345, 361, 385, 417, 457, 505)(18, 64, 90, 120, 130, 176, 202, 232, 274, 320, 346, 376, 386, 432, 458, 488)(19, 47, 91, 103, 131, 191, 203, 247, 275, 303, 347, 359, 387, 447, 459, 503)(20, 62, 92, 118, 132, 174, 204, 230, 276, 318, 348, 374, 388, 430, 460, 486)(21, 45, 93, 101, 133, 189, 205, 245, 277, 301, 349, 357, 389, 445, 461, 501)(22, 60, 94, 116, 134, 172, 206, 228, 278, 316, 350, 372, 390, 428, 462, 484)(23, 43, 95, 99, 135, 187, 207, 243, 279, 299, 351, 355, 391, 443, 463, 499)(24, 58, 96, 114, 136, 170, 208, 226, 280, 314, 352, 370, 392, 426, 464, 482)(25, 41, 65, 97, 137, 185, 209, 241, 281, 297, 321, 353, 393, 441, 465, 497)(26, 56, 66, 112, 138, 168, 210, 256, 282, 312, 322, 368, 394, 424, 466, 512)(27, 39, 67, 127, 139, 183, 211, 239, 283, 295, 323, 383, 395, 439, 467, 495)(28, 54, 68, 110, 140, 166, 212, 254, 284, 310, 324, 366, 396, 422, 468, 510)(29, 37, 69, 125, 141, 181, 213, 237, 285, 293, 325, 381, 397, 437, 469, 493)(30, 52, 70, 108, 142, 164, 214, 252, 286, 308, 326, 364, 398, 420, 470, 508)(31, 35, 71, 123, 143, 179, 215, 235, 287, 291, 327, 379, 399, 435, 471, 491)(32, 50, 72, 106, 144, 162, 216, 250, 288, 306, 328, 362, 400, 418, 472, 506)

(III) Last is Groups&Graphs. Copy everything between (not including) the lines of asterisks into a plain text file and save it as "graph.txt". Then launch G&G (Groups&Graphs) and select Read Text from the File menu.

**************

&Graph
C4[ 512, 17 ]
512
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-503 15 455 456 32
-504 1 16 456 457
-505 2 17 457 458
-506 3 18 458 459
-507 4 19 459 460
-508 5 20 460 461
-509 462 6 21 461
-510 22 462 463 7
-511 23 463 464 8
-512 24 464 465 9
0

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