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On this page are computer-accessible forms for the graph C4[ 400, 26 ] = PX(50,3).

(I) Following is a form readable by MAGMA:

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

(II) A more general form is to represent the graph as the orbit of {8, 15} under the group generated by the following permutations:

a: (377, 378)(379, 380)(381, 382)(383, 384)(385, 387)(386, 388)(389, 391)(390, 392)(393, 397)(394, 398)(395, 399)(396, 400)
b: (121, 122)(123, 124)(125, 126)(127, 128)(129, 131)(130, 132)(133, 135)(134, 136)(137, 141)(138, 142)(139, 143)(140, 144)
c: (153, 154)(155, 156)(157, 158)(159, 160)(161, 163)(162, 164)(165, 167)(166, 168)(169, 173)(170, 174)(171, 175)(172, 176)
d: (185, 186)(187, 188)(189, 190)(191, 192)(193, 195)(194, 196)(197, 199)(198, 200)(201, 205)(202, 206)(203, 207)(204, 208)
e: (281, 282)(283, 284)(285, 286)(287, 288)(289, 291)(290, 292)(293, 295)(294, 296)(297, 301)(298, 302)(299, 303)(300, 304)
f: (313, 314)(315, 316)(317, 318)(319, 320)(321, 323)(322, 324)(325, 327)(326, 328)(329, 333)(330, 334)(331, 335)(332, 336)
g: (345, 346)(347, 348)(349, 350)(351, 352)(353, 355)(354, 356)(357, 359)(358, 360)(361, 365)(362, 366)(363, 367)(364, 368)
h: (249, 250)(251, 252)(253, 254)(255, 256)(257, 259)(258, 260)(261, 263)(262, 264)(265, 269)(266, 270)(267, 271)(268, 272)
m: (217, 218)(219, 220)(221, 222)(223, 224)(225, 227)(226, 228)(229, 231)(230, 232)(233, 237)(234, 238)(235, 239)(236, 240)
n1: (89, 90)(91, 92)(93, 94)(95, 96)(97, 99)(98, 100)(101, 103)(102, 104)(105, 109)(106, 110)(107, 111)(108, 112)
a1: (57, 58)(59, 60)(61, 62)(63, 64)(65, 67)(66, 68)(69, 71)(70, 72)(73, 77)(74, 78)(75, 79)(76, 80)
b1: (25, 26)(27, 28)(29, 30)(31, 32)(33, 35)(34, 36)(37, 39)(38, 40)(41, 45)(42, 46)(43, 47)(44, 48)
c1: (369, 370)(371, 372)(373, 374)(375, 376)(377, 379)(378, 380)(381, 383)(382, 384)(385, 389)(386, 390)(387, 391)(388, 392)
d1: (113, 114)(115, 116)(117, 118)(119, 120)(121, 123)(122, 124)(125, 127)(126, 128)(129, 133)(130, 134)(131, 135)(132, 136)
e1: (145, 146)(147, 148)(149, 150)(151, 152)(153, 155)(154, 156)(157, 159)(158, 160)(161, 165)(162, 166)(163, 167)(164, 168)
f1: (177, 178)(179, 180)(181, 182)(183, 184)(185, 187)(186, 188)(189, 191)(190, 192)(193, 197)(194, 198)(195, 199)(196, 200)
g1: (209, 210)(211, 212)(213, 214)(215, 216)(217, 219)(218, 220)(221, 223)(222, 224)(225, 229)(226, 230)(227, 231)(228, 232)
h1: (273, 274)(275, 276)(277, 278)(279, 280)(281, 283)(282, 284)(285, 287)(286, 288)(289, 293)(290, 294)(291, 295)(292, 296)
m1: (305, 306)(307, 308)(309, 310)(311, 312)(313, 315)(314, 316)(317, 319)(318, 320)(321, 325)(322, 326)(323, 327)(324, 328)
n2: (337, 338)(339, 340)(341, 342)(343, 344)(345, 347)(346, 348)(349, 351)(350, 352)(353, 357)(354, 358)(355, 359)(356, 360)
a2: (241, 242)(243, 244)(245, 246)(247, 248)(249, 251)(250, 252)(253, 255)(254, 256)(257, 261)(258, 262)(259, 263)(260, 264)
b2: (81, 82)(83, 84)(85, 86)(87, 88)(89, 91)(90, 92)(93, 95)(94, 96)(97, 101)(98, 102)(99, 103)(100, 104)
c2: (49, 50)(51, 52)(53, 54)(55, 56)(57, 59)(58, 60)(61, 63)(62, 64)(65, 69)(66, 70)(67, 71)(68, 72)
d2: (17, 18)(19, 20)(21, 22)(23, 24)(25, 27)(26, 28)(29, 31)(30, 32)(33, 37)(34, 38)(35, 39)(36, 40)
e2: (1, 3)(2, 4)(5, 7)(6, 8)(9, 13)(10, 14)(11, 15)(12, 16)(393, 394)(395, 396)(397, 398)(399, 400)
f2: (361, 362)(363, 364)(365, 366)(367, 368)(369, 371)(370, 372)(373, 375)(374, 376)(377, 381)(378, 382)(379, 383)(380, 384)
g2: (137, 138)(139, 140)(141, 142)(143, 144)(145, 147)(146, 148)(149, 151)(150, 152)(153, 157)(154, 158)(155, 159)(156, 160)
h2: (169, 170)(171, 172)(173, 174)(175, 176)(177, 179)(178, 180)(181, 183)(182, 184)(185, 189)(186, 190)(187, 191)(188, 192)
m2: (201, 202)(203, 204)(205, 206)(207, 208)(209, 211)(210, 212)(213, 215)(214, 216)(217, 221)(218, 222)(219, 223)(220, 224)
n3: (297, 298)(299, 300)(301, 302)(303, 304)(305, 307)(306, 308)(309, 311)(310, 312)(313, 317)(314, 318)(315, 319)(316, 320)
a3: (329, 330)(331, 332)(333, 334)(335, 336)(337, 339)(338, 340)(341, 343)(342, 344)(345, 349)(346, 350)(347, 351)(348, 352)
b3: (265, 266)(267, 268)(269, 270)(271, 272)(273, 275)(274, 276)(277, 279)(278, 280)(281, 285)(282, 286)(283, 287)(284, 288)
c3: (233, 234)(235, 236)(237, 238)(239, 240)(241, 243)(242, 244)(245, 247)(246, 248)(249, 253)(250, 254)(251, 255)(252, 256)
d3: (105, 106)(107, 108)(109, 110)(111, 112)(113, 115)(114, 116)(117, 119)(118, 120)(121, 125)(122, 126)(123, 127)(124, 128)
e3: (73, 74)(75, 76)(77, 78)(79, 80)(81, 83)(82, 84)(85, 87)(86, 88)(89, 93)(90, 94)(91, 95)(92, 96)
f3: (41, 42)(43, 44)(45, 46)(47, 48)(49, 51)(50, 52)(53, 55)(54, 56)(57, 61)(58, 62)(59, 63)(60, 64)
g3: (9, 10)(11, 12)(13, 14)(15, 16)(17, 19)(18, 20)(21, 23)(22, 24)(25, 29)(26, 30)(27, 31)(28, 32)
h3: (1, 9, 17, 25, 33, 41, 49, 57, 65, 73, 81, 89, 97, 105, 113, 121, 129, 137, 145, 153, 161, 169, 177, 185, 193, 201, 209, 217, 225, 233, 241, 249, 257, 265, 273, 281, 289, 297, 305, 313, 321, 329, 337, 345, 353, 361, 369, 377, 385, 393)(2, 10, 18, 26, 34, 42, 50, 58, 66, 74, 82, 90, 98, 106, 114, 122, 130, 138, 146, 154, 162, 170, 178, 186, 194, 202, 210, 218, 226, 234, 242, 250, 258, 266, 274, 282, 290, 298, 306, 314, 322, 330, 338, 346, 354, 362, 370, 378, 386, 394)(3, 11, 19, 27, 35, 43, 51, 59, 67, 75, 83, 91, 99, 107, 115, 123, 131, 139, 147, 155, 163, 171, 179, 187, 195, 203, 211, 219, 227, 235, 243, 251, 259, 267, 275, 283, 291, 299, 307, 315, 323, 331, 339, 347, 355, 363, 371, 379, 387, 395)(4, 12, 20, 28, 36, 44, 52, 60, 68, 76, 84, 92, 100, 108, 116, 124, 132, 140, 148, 156, 164, 172, 180, 188, 196, 204, 212, 220, 228, 236, 244, 252, 260, 268, 276, 284, 292, 300, 308, 316, 324, 332, 340, 348, 356, 364, 372, 380, 388, 396)(5, 13, 21, 29, 37, 45, 53, 61, 69, 77, 85, 93, 101, 109, 117, 125, 133, 141, 149, 157, 165, 173, 181, 189, 197, 205, 213, 221, 229, 237, 245, 253, 261, 269, 277, 285, 293, 301, 309, 317, 325, 333, 341, 349, 357, 365, 373, 381, 389, 397)(6, 14, 22, 30, 38, 46, 54, 62, 70, 78, 86, 94, 102, 110, 118, 126, 134, 142, 150, 158, 166, 174, 182, 190, 198, 206, 214, 222, 230, 238, 246, 254, 262, 270, 278, 286, 294, 302, 310, 318, 326, 334, 342, 350, 358, 366, 374, 382, 390, 398)(7, 15, 23, 31, 39, 47, 55, 63, 71, 79, 87, 95, 103, 111, 119, 127, 135, 143, 151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, 247, 255, 263, 271, 279, 287, 295, 303, 311, 319, 327, 335, 343, 351, 359, 367, 375, 383, 391, 399)(8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240, 248, 256, 264, 272, 280, 288, 296, 304, 312, 320, 328, 336, 344, 352, 360, 368, 376, 384, 392, 400)
m3: (2, 5)(4, 7)(9, 393)(10, 397)(11, 395)(12, 399)(13, 394)(14, 398)(15, 396)(16, 400)(17, 385)(18, 389)(19, 387)(20, 391)(21, 386)(22, 390)(23, 388)(24, 392)(25, 377)(26, 381)(27, 379)(28, 383)(29, 378)(30, 382)(31, 380)(32, 384)(33, 369)(34, 373)(35, 371)(36, 375)(37, 370)(38, 374)(39, 372)(40, 376)(41, 361)(42, 365)(43, 363)(44, 367)(45, 362)(46, 366)(47, 364)(48, 368)(49, 353)(50, 357)(51, 355)(52, 359)(53, 354)(54, 358)(55, 356)(56, 360)(57, 345)(58, 349)(59, 347)(60, 351)(61, 346)(62, 350)(63, 348)(64, 352)(65, 337)(66, 341)(67, 339)(68, 343)(69, 338)(70, 342)(71, 340)(72, 344)(73, 329)(74, 333)(75, 331)(76, 335)(77, 330)(78, 334)(79, 332)(80, 336)(81, 321)(82, 325)(83, 323)(84, 327)(85, 322)(86, 326)(87, 324)(88, 328)(89, 313)(90, 317)(91, 315)(92, 319)(93, 314)(94, 318)(95, 316)(96, 320)(97, 305)(98, 309)(99, 307)(100, 311)(101, 306)(102, 310)(103, 308)(104, 312)(105, 297)(106, 301)(107, 299)(108, 303)(109, 298)(110, 302)(111, 300)(112, 304)(113, 289)(114, 293)(115, 291)(116, 295)(117, 290)(118, 294)(119, 292)(120, 296)(121, 281)(122, 285)(123, 283)(124, 287)(125, 282)(126, 286)(127, 284)(128, 288)(129, 273)(130, 277)(131, 275)(132, 279)(133, 274)(134, 278)(135, 276)(136, 280)(137, 265)(138, 269)(139, 267)(140, 271)(141, 266)(142, 270)(143, 268)(144, 272)(145, 257)(146, 261)(147, 259)(148, 263)(149, 258)(150, 262)(151, 260)(152, 264)(153, 249)(154, 253)(155, 251)(156, 255)(157, 250)(158, 254)(159, 252)(160, 256)(161, 241)(162, 245)(163, 243)(164, 247)(165, 242)(166, 246)(167, 244)(168, 248)(169, 233)(170, 237)(171, 235)(172, 239)(173, 234)(174, 238)(175, 236)(176, 240)(177, 225)(178, 229)(179, 227)(180, 231)(181, 226)(182, 230)(183, 228)(184, 232)(185, 217)(186, 221)(187, 219)(188, 223)(189, 218)(190, 222)(191, 220)(192, 224)(193, 209)(194, 213)(195, 211)(196, 215)(197, 210)(198, 214)(199, 212)(200, 216)(202, 205)(204, 207)
n4: (225, 226)(227, 228)(229, 230)(231, 232)(233, 235)(234, 236)(237, 239)(238, 240)(241, 245)(242, 246)(243, 247)(244, 248)
a4: (129, 130)(131, 132)(133, 134)(135, 136)(137, 139)(138, 140)(141, 143)(142, 144)(145, 149)(146, 150)(147, 151)(148, 152)
b4: (161, 162)(163, 164)(165, 166)(167, 168)(169, 171)(170, 172)(173, 175)(174, 176)(177, 181)(178, 182)(179, 183)(180, 184)
c4: (193, 194)(195, 196)(197, 198)(199, 200)(201, 203)(202, 204)(205, 207)(206, 208)(209, 213)(210, 214)(211, 215)(212, 216)
d4: (353, 354)(355, 356)(357, 358)(359, 360)(361, 363)(362, 364)(365, 367)(366, 368)(369, 373)(370, 374)(371, 375)(372, 376)
e4: (289, 290)(291, 292)(293, 294)(295, 296)(297, 299)(298, 300)(301, 303)(302, 304)(305, 309)(306, 310)(307, 311)(308, 312)
f4: (321, 322)(323, 324)(325, 326)(327, 328)(329, 331)(330, 332)(333, 335)(334, 336)(337, 341)(338, 342)(339, 343)(340, 344)
g4: (257, 258)(259, 260)(261, 262)(263, 264)(265, 267)(266, 268)(269, 271)(270, 272)(273, 277)(274, 278)(275, 279)(276, 280)
h4: (97, 98)(99, 100)(101, 102)(103, 104)(105, 107)(106, 108)(109, 111)(110, 112)(113, 117)(114, 118)(115, 119)(116, 120)
m4: (65, 66)(67, 68)(69, 70)(71, 72)(73, 75)(74, 76)(77, 79)(78, 80)(81, 85)(82, 86)(83, 87)(84, 88)
n5: (33, 34)(35, 36)(37, 38)(39, 40)(41, 43)(42, 44)(45, 47)(46, 48)(49, 53)(50, 54)(51, 55)(52, 56)
a5: (1, 2)(3, 4)(5, 6)(7, 8)(9, 11)(10, 12)(13, 15)(14, 16)(17, 21)(18, 22)(19, 23)(20, 24)

(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.

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&Graph
C4[ 400, 26 ]
400
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-2 11 12 397 393
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-4 398 15 16 394
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-7 396 13 14 400
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-196 190 207 186 208
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-221 211 225 215 226
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-231 220 224 237 238
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-249 245 257 258 241
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-264 256 271 272 252
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-394 385 3 4 389
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-400 388 7 392 8
0

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