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On this page are computer-accessible forms for the graph C4[ 505, 4 ] = PS(5,101;6).

(I) Following is a form readable by MAGMA:

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

(II) A more general form is to represent the graph as the orbit of {101, 102} under the group generated by the following permutations:

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

(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[ 505, 4 ]
505
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-2 102 104 423 490
-3 103 105 424 491
-4 104 106 425 492
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-6 106 108 427 494
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0

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