C4graphGraph forms for C4 [ 504, 20 ] = PS(24,21;4)

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On this page are computer-accessible forms for the graph C4[ 504, 20 ] = PS(24,21;4).

(I) Following is a form readable by MAGMA:

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

(II) A more general form is to represent the graph as the orbit of {84, 85} under the group generated by the following permutations:

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

(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[ 504, 20 ]
504
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-504 466 5 16 479
0

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