C4graphGraph forms for C4 [ 500, 12 ] = PS(20,25;9)

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On this page are computer-accessible forms for the graph C4[ 500, 12 ] = PS(20,25;9).

(I) Following is a form readable by MAGMA:

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

(II) A more general form is to represent the graph as the orbit of {150, 151} under the group generated by the following permutations:

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

(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[ 500, 12 ]
500
-1 487 27 50 490
-2 26 488 28 491
-3 27 489 29 492
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0

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