C4graphGraph forms for C4 [ 512, 645 ] = SS[512,199]

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On this page are computer-accessible forms for the graph C4[ 512, 645 ] = SS[512,199].

(I) Following is a form readable by MAGMA:

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

(II) A more general form is to represent the graph as the orbit of {14, 15} under the group generated by the following permutations:

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

(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, 645 ]
512
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-2 1 509 501 502
-3 1 510 503 504
-4 1 508 512 505
-5 506 1 507 511
-6 363 16 368 340
-7 364 366 15 339
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-14 15 16 17 18
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-299 187 147 219 395
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-320 418 216 129 141
-321 117 205 415 142
-322 132 419 115 208
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-329 144 421 128 218
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-381 242 474 366 351
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-383 354 377 239 472
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-386 378 357 470 240
-387 374 353 246 470
-388 358 238 372 471
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-391 243 365 475 349
-392 352 376 235 469
-393 244 355 469 371
-394 473 245 367 348
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-428 279 490 370 251
-429 375 266 282 493
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-431 495 258 271 372
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-449 77 78 489 490
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-457 477 237 468 249
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-459 242 465 241 483
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-464 466 239 481 240
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-471 388 443 389 510
-472 444 510 382 383
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-474 443 380 512 381
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-477 411 412 457 501
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-479 462 508 415 416
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-481 506 419 420 464
-482 421 422 458 504
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-484 423 424 502 460
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-499 452 435 403 502
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-507 5 480 491 492
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-509 2 465 469 470
-510 3 468 471 472
-511 475 476 5 467
-512 473 474 4 466
0

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