pair,contact1,contact2,flow1,flow2
4bsu_A_,2,4,1,1
4bsu_A_,4,8,1,1
4bsu_A_,5,8,1,1
4bsu_A_,9,10,1,1
4bsu_A_,9,21,1,1
4bsu_A_,11,19,1,1
4bsu_A_,13,17,1,1
4bsu_A_,14,17,1,1
4bsu_A_,18,37,1,1
4bsu_A_,18,39,1,1
4bsu_A_,20,40,1,1
4bsu_A_,20,42,1,1
4bsu_A_,21,23,1,1
4bsu_A_,22,42,1,1
4bsu_A_,24,44,1,1
4bsu_A_,27,46,1,1
4bsu_A_,35,36,1,1
4bsu_A_,35,38,1,1
4bsu_A_,39,63,1,1
4bsu_A_,41,64,1,1
4bsu_A_,41,66,1,1
4bsu_A_,42,44,1,1
4bsu_A_,43,66,1,1
4bsu_A_,43,70,1,1
4bsu_A_,45,68,1,1
4bsu_A_,46,70,1,1
4bsu_A_,57,58,1,1
4bsu_A_,58,60,1,1
4bsu_A_,59,62,1,1
4bsu_A_,60,85,1,1
4bsu_A_,63,87,1,1
4bsu_A_,63,88,1,1
4bsu_A_,64,66,1,1
4bsu_A_,65,88,1,1
4bsu_A_,65,90,1,1
4bsu_A_,67,90,1,1
4bsu_A_,67,94,1,1
4bsu_A_,69,92,1,1
4bsu_A_,70,94,1,1
4bsu_A_,76,79,1,1
4bsu_A_,78,81,1,1
4bsu_A_,80,83,1,1
4bsu_A_,84,109,1,1
4bsu_A_,87,111,1,1
4bsu_A_,87,112,1,1
4bsu_A_,89,112,1,1
4bsu_A_,89,114,1,1
4bsu_A_,91,114,1,1
4bsu_A_,91,118,1,1
4bsu_A_,93,116,1,1
4bsu_A_,94,118,1,1
4bsu_A_,96,119,1,1
4bsu_A_,97,121,1,1
4bsu_A_,99,122,1,1
4bsu_A_,102,105,1,1
4bsu_A_,105,126,1,1
4bsu_A_,106,129,1,1
4bsu_A_,107,110,1,1
4bsu_A_,108,133,1,1
4bsu_A_,111,135,1,1
4bsu_A_,111,136,1,1
4bsu_A_,113,136,1,1
4bsu_A_,113,138,1,1
4bsu_A_,115,138,1,1
4bsu_A_,115,142,1,1
4bsu_A_,117,140,1,1
4bsu_A_,118,142,1,1
4bsu_A_,120,143,1,1
4bsu_A_,124,127,1,1
4bsu_A_,126,129,1,1
4bsu_A_,128,131,1,1
4bsu_A_,131,134,1,1
4bsu_A_,135,159,1,1
4bsu_A_,135,160,1,1
4bsu_A_,137,160,1,1
4bsu_A_,137,162,1,1
4bsu_A_,139,162,1,1
4bsu_A_,139,166,1,1
4bsu_A_,141,164,1,1
4bsu_A_,144,166,1,1
4bsu_A_,144,167,1,1
4bsu_A_,147,149,1,1
4bsu_A_,148,152,1,1
4bsu_A_,150,153,1,1
4bsu_A_,151,154,1,1
4bsu_A_,152,155,1,1
4bsu_A_,153,178,1,1
4bsu_A_,154,156,1,1
4bsu_A_,156,181,1,1
4bsu_A_,159,183,1,1
4bsu_A_,159,184,1,1
4bsu_A_,161,184,1,1
4bsu_A_,161,186,1,1
4bsu_A_,163,166,1,1
4bsu_A_,163,186,1,1
4bsu_A_,163,190,1,1
4bsu_A_,165,188,1,1
4bsu_A_,168,190,1,1
4bsu_A_,168,191,1,1
4bsu_A_,169,193,1,1
4bsu_A_,170,194,1,1
4bsu_A_,171,194,1,1
4bsu_A_,171,196,1,1
4bsu_A_,173,198,1,1
4bsu_A_,174,177,1,1
4bsu_A_,174,198,1,1
4bsu_A_,178,180,1,1
4bsu_A_,179,182,1,1
4bsu_A_,180,205,1,1
4bsu_A_,183,207,1,1
4bsu_A_,183,208,1,1
4bsu_A_,185,208,1,1
4bsu_A_,185,210,1,1
4bsu_A_,187,190,1,1
4bsu_A_,187,210,1,1
4bsu_A_,187,214,1,1
4bsu_A_,188,210,1,1
4bsu_A_,189,212,1,1
4bsu_A_,192,214,1,1
4bsu_A_,196,199,1,1
4bsu_A_,204,228,1,1
4bsu_A_,207,230,1,1
4bsu_A_,207,231,1,1
4bsu_A_,209,231,1,1
4bsu_A_,209,233,1,1
4bsu_A_,210,212,1,1
4bsu_A_,211,214,1,1
4bsu_A_,211,233,1,1
4bsu_A_,211,237,1,1
4bsu_A_,212,214,1,1
4bsu_A_,212,235,1,1
4bsu_A_,213,235,1,1
4bsu_A_,216,237,1,1
4bsu_A_,216,238,1,1
4bsu_A_,220,223,1,1
4bsu_A_,221,224,1,1
4bsu_A_,222,225,1,1
4bsu_A_,223,226,1,1
4bsu_A_,223,250,1,1
4bsu_A_,225,227,1,1
4bsu_A_,226,229,1,1
4bsu_A_,226,250,1,1
4bsu_A_,230,254,1,1
4bsu_A_,230,255,1,1
4bsu_A_,232,255,1,1
4bsu_A_,232,257,1,1
4bsu_A_,234,237,1,1
4bsu_A_,234,257,1,1
4bsu_A_,234,261,1,1
4bsu_A_,235,236,1,1
4bsu_A_,236,259,1,1
4bsu_A_,239,261,1,1
4bsu_A_,240,264,1,1
4bsu_A_,242,265,1,1
4bsu_A_,242,267,1,1
4bsu_A_,244,268,1,1
4bsu_A_,244,269,1,1
4bsu_A_,247,250,1,1
4bsu_A_,251,252,1,1
4bsu_A_,258,261,1,1
4bsu_A_,259,261,1,1
4bsu_A_,261,263,1,1
4bsu_A_,264,286,1,1
4bsu_A_,264,287,1,1
4bsu_A_,267,270,1,1
4bsu_A_,268,293,1,1
4bsu_A_,269,272,1,1
4bsu_A_,273,295,1,1
4bsu_A_,274,277,1,1
4bsu_A_,275,299,1,1
4bsu_A_,278,301,1,1
4bsu_A_,278,302,1,1
4bsu_A_,280,302,1,1
4bsu_A_,280,304,1,1
4bsu_A_,282,304,1,1
4bsu_A_,282,306,1,1
4bsu_A_,283,306,1,1
4bsu_A_,284,286,1,1
4bsu_A_,284,306,1,1
4bsu_A_,285,288,1,1
4bsu_A_,288,309,1,1
4bsu_A_,293,295,1,1
4bsu_A_,293,320,1,1
4bsu_A_,294,320,1,1
4bsu_A_,299,323,1,1
4bsu_A_,301,325,1,1
4bsu_A_,301,326,1,1
4bsu_A_,303,326,1,1
4bsu_A_,303,328,1,1
4bsu_A_,305,328,1,1
4bsu_A_,305,332,1,1
4bsu_A_,308,332,1,1
4bsu_A_,310,333,1,1
4bsu_A_,314,317,1,1
4bsu_A_,317,320,1,1
4bsu_A_,318,321,1,1
4bsu_A_,321,343,1,1
4bsu_A_,323,345,1,1
4bsu_A_,325,347,1,1
4bsu_A_,325,348,1,1
4bsu_A_,327,348,1,1
4bsu_A_,327,350,1,1
4bsu_A_,328,330,1,1
4bsu_A_,329,332,1,1
4bsu_A_,329,350,1,1
4bsu_A_,329,354,1,1
4bsu_A_,331,352,1,1
4bsu_A_,334,354,1,1
4bsu_A_,336,357,1,1
4bsu_A_,338,363,1,1
4bsu_A_,339,341,1,1
4bsu_A_,340,343,1,1
4bsu_A_,341,362,1,1
4bsu_A_,341,365,1,1
4bsu_A_,344,366,1,1
4bsu_A_,347,371,1,1
4bsu_A_,347,372,1,1
4bsu_A_,349,372,1,1
4bsu_A_,349,374,1,1
4bsu_A_,351,354,1,1
4bsu_A_,351,374,1,1
4bsu_A_,351,378,1,1
4bsu_A_,353,376,1,1
4bsu_A_,356,378,1,1
4bsu_A_,357,381,1,1
4bsu_A_,359,382,1,1
4bsu_A_,359,384,1,1
4bsu_A_,361,365,1,1
4bsu_A_,362,365,1,1
4bsu_A_,365,386,1,1
4bsu_A_,365,390,1,1
4bsu_A_,366,390,1,1
4bsu_A_,367,370,1,1
4bsu_A_,371,395,1,1
4bsu_A_,371,396,1,1
4bsu_A_,373,396,1,1
4bsu_A_,373,398,1,1
4bsu_A_,374,376,1,1
4bsu_A_,375,378,1,1
4bsu_A_,375,398,1,1
4bsu_A_,375,402,1,1
4bsu_A_,377,400,1,1
4bsu_A_,378,402,1,1
4bsu_A_,380,402,1,1
4bsu_A_,384,386,1,1
4bsu_A_,384,387,1,1
4bsu_A_,386,389,1,1
4bsu_A_,391,394,1,1
4bsu_A_,395,416,1,1
4bsu_A_,395,417,1,1
4bsu_A_,397,417,1,1
4bsu_A_,397,419,1,1
4bsu_A_,398,400,1,1
4bsu_A_,399,402,1,1
4bsu_A_,399,419,1,1
4bsu_A_,399,423,1,1
4bsu_A_,400,421,1,1
4bsu_A_,401,421,1,1
4bsu_A_,402,423,1,1
4bsu_A_,404,423,1,1
4bsu_A_,416,439,1,1
4bsu_A_,416,440,1,1
4bsu_A_,418,440,1,1
4bsu_A_,418,442,1,1
4bsu_A_,420,423,1,1
4bsu_A_,420,442,1,1
4bsu_A_,423,426,1,1
4bsu_A_,424,445,1,1
4bsu_A_,426,448,1,1
4bsu_A_,427,447,1,1
4bsu_A_,428,448,1,1
4bsu_A_,431,433,1,1
4bsu_A_,432,451,1,1
4bsu_A_,441,471,1,1
4bsu_A_,441,473,1,1
4bsu_A_,443,473,1,1
4bsu_A_,445,448,1,1
4bsu_A_,446,450,1,1
4bsu_A_,449,452,1,1
4bsu_A_,449,473,1,1
4bsu_A_,450,453,1,1
4bsu_A_,450,455,1,1
4bsu_A_,457,461,1,1
4bsu_A_,458,462,1,1
4bsu_A_,459,463,1,1
4bsu_A_,460,464,1,1
4bsu_A_,462,465,1,1
4bsu_A_,463,467,1,1
4bsu_A_,465,469,1,1
4bsu_A_,466,469,1,1
4bsu_A_,467,470,1,1