pair,contact1,contact2,flow1,flow2 4gbr_B_,1,4,1,1 4gbr_B_,1,5,1,1 4gbr_B_,2,6,1,1 4gbr_B_,3,7,1,1 4gbr_B_,4,8,1,1 4gbr_B_,5,8,1,1 4gbr_B_,5,9,1,1 4gbr_B_,6,10,1,1 4gbr_B_,9,147,1,1 4gbr_B_,9,160,1,1 4gbr_B_,13,27,1,1 4gbr_B_,16,55,1,1 4gbr_B_,17,25,1,1 4gbr_B_,19,21,1,1 4gbr_B_,19,22,1,1 4gbr_B_,19,23,1,1 4gbr_B_,19,25,1,1 4gbr_B_,24,32,1,1 4gbr_B_,24,33,1,1 4gbr_B_,24,36,1,1 4gbr_B_,26,30,1,1 4gbr_B_,30,69,1,1 4gbr_B_,35,37,1,1 4gbr_B_,37,40,1,1 4gbr_B_,38,42,1,1 4gbr_B_,39,43,1,1 4gbr_B_,40,44,1,1 4gbr_B_,41,45,1,1 4gbr_B_,42,46,1,1 4gbr_B_,42,54,1,1 4gbr_B_,43,47,1,1 4gbr_B_,44,47,1,1 4gbr_B_,44,48,1,1 4gbr_B_,45,49,1,1 4gbr_B_,46,53,1,1 4gbr_B_,53,56,1,1 4gbr_B_,58,61,1,1 4gbr_B_,58,62,1,1 4gbr_B_,59,63,1,1 4gbr_B_,60,64,1,1 4gbr_B_,61,65,1,1 4gbr_B_,62,66,1,1 4gbr_B_,63,67,1,1 4gbr_B_,64,68,1,1 4gbr_B_,65,69,1,1 4gbr_B_,66,70,1,1 4gbr_B_,67,71,1,1 4gbr_B_,68,72,1,1 4gbr_B_,69,73,1,1 4gbr_B_,70,74,1,1 4gbr_B_,71,75,1,1 4gbr_B_,72,76,1,1 4gbr_B_,73,77,1,1 4gbr_B_,74,78,1,1 4gbr_B_,75,79,1,1 4gbr_B_,76,80,1,1 4gbr_B_,80,82,1,1 4gbr_B_,80,83,1,1 4gbr_B_,80,84,1,1 4gbr_B_,83,87,1,1 4gbr_B_,84,88,1,1 4gbr_B_,86,89,1,1 4gbr_B_,87,95,1,1 4gbr_B_,89,123,1,1 4gbr_B_,90,95,1,1 4gbr_B_,91,94,1,1 4gbr_B_,91,95,1,1 4gbr_B_,92,96,1,1 4gbr_B_,93,97,1,1 4gbr_B_,94,98,1,1 4gbr_B_,94,152,1,1 4gbr_B_,94,153,1,1 4gbr_B_,95,99,1,1 4gbr_B_,96,100,1,1 4gbr_B_,97,101,1,1 4gbr_B_,98,102,1,1 4gbr_B_,99,103,1,1 4gbr_B_,100,104,1,1 4gbr_B_,100,144,1,1 4gbr_B_,101,105,1,1 4gbr_B_,102,106,1,1 4gbr_B_,104,137,1,1 4gbr_B_,104,141,1,1 4gbr_B_,106,110,1,1 4gbr_B_,107,111,1,1 4gbr_B_,109,112,1,1 4gbr_B_,110,113,1,1 4gbr_B_,114,118,1,1 4gbr_B_,115,118,1,1 4gbr_B_,115,119,1,1 4gbr_B_,116,120,1,1 4gbr_B_,117,121,1,1 4gbr_B_,119,122,1,1 4gbr_B_,119,124,1,1 4gbr_B_,120,123,1,1 4gbr_B_,122,124,1,1 4gbr_B_,124,127,1,1 4gbr_B_,125,129,1,1 4gbr_B_,126,130,1,1 4gbr_B_,127,131,1,1 4gbr_B_,128,132,1,1 4gbr_B_,129,133,1,1 4gbr_B_,132,135,1,1 4gbr_B_,135,138,1,1 4gbr_B_,136,140,1,1 4gbr_B_,137,141,1,1 4gbr_B_,141,145,1,1 4gbr_B_,142,146,1,1 4gbr_B_,143,147,1,1 4gbr_B_,144,148,1,1 4gbr_B_,145,149,1,1 4gbr_B_,146,150,1,1 4gbr_B_,147,151,1,1 4gbr_B_,148,152,1,1 4gbr_B_,149,153,1,1 4gbr_B_,150,154,1,1 4gbr_B_,151,155,1,1 4gbr_B_,154,156,1,1 4gbr_B_,156,158,1,1 4gbr_B_,157,160,1,1 4gbr_B_,157,161,1,1