pair,contact1,contact2,flow1,flow2 1vol_B_,2,4,1,1 1vol_B_,2,5,1,1 1vol_B_,2,6,1,1 1vol_B_,5,168,1,1 1vol_B_,6,9,1,1 1vol_B_,8,10,1,1 1vol_B_,8,175,1,1 1vol_B_,13,110,1,1 1vol_B_,15,74,1,1 1vol_B_,15,108,1,1 1vol_B_,15,110,1,1 1vol_B_,16,72,1,1 1vol_B_,16,108,1,1 1vol_B_,17,73,1,1 1vol_B_,18,105,1,1 1vol_B_,18,106,1,1 1vol_B_,19,70,1,1 1vol_B_,19,79,1,1 1vol_B_,20,103,1,1 1vol_B_,20,105,1,1 1vol_B_,21,68,1,1 1vol_B_,22,24,1,1 1vol_B_,22,100,1,1 1vol_B_,23,25,1,1 1vol_B_,23,66,1,1 1vol_B_,23,98,1,1 1vol_B_,24,100,1,1 1vol_B_,26,65,1,1 1vol_B_,28,32,1,1 1vol_B_,29,33,1,1 1vol_B_,30,34,1,1 1vol_B_,32,36,1,1 1vol_B_,38,52,1,1 1vol_B_,40,50,1,1 1vol_B_,40,52,1,1 1vol_B_,46,48,1,1 1vol_B_,49,62,1,1 1vol_B_,51,60,1,1 1vol_B_,56,58,1,1 1vol_B_,58,86,1,1 1vol_B_,59,71,1,1 1vol_B_,61,69,1,1 1vol_B_,63,65,1,1 1vol_B_,63,66,1,1 1vol_B_,63,67,1,1 1vol_B_,70,79,1,1 1vol_B_,75,79,1,1 1vol_B_,76,80,1,1 1vol_B_,76,167,1,1 1vol_B_,77,81,1,1 1vol_B_,78,82,1,1 1vol_B_,79,83,1,1 1vol_B_,80,84,1,1 1vol_B_,81,84,1,1 1vol_B_,81,85,1,1 1vol_B_,82,86,1,1 1vol_B_,83,87,1,1 1vol_B_,84,88,1,1 1vol_B_,85,89,1,1 1vol_B_,86,89,1,1 1vol_B_,86,90,1,1 1vol_B_,87,91,1,1 1vol_B_,88,92,1,1 1vol_B_,90,93,1,1 1vol_B_,91,94,1,1 1vol_B_,95,97,1,1 1vol_B_,106,163,1,1 1vol_B_,107,164,1,1 1vol_B_,109,161,1,1 1vol_B_,111,159,1,1 1vol_B_,112,114,1,1 1vol_B_,113,157,1,1 1vol_B_,116,186,1,1 1vol_B_,117,155,1,1 1vol_B_,118,121,1,1 1vol_B_,118,122,1,1 1vol_B_,118,184,1,1 1vol_B_,119,123,1,1 1vol_B_,120,124,1,1 1vol_B_,121,125,1,1 1vol_B_,122,126,1,1 1vol_B_,126,129,1,1 1vol_B_,126,130,1,1 1vol_B_,126,142,1,1 1vol_B_,129,143,1,1 1vol_B_,131,141,1,1 1vol_B_,133,136,1,1 1vol_B_,133,137,1,1 1vol_B_,140,153,1,1 1vol_B_,142,145,1,1 1vol_B_,142,151,1,1 1vol_B_,144,149,1,1 1vol_B_,147,149,1,1 1vol_B_,150,162,1,1 1vol_B_,165,169,1,1 1vol_B_,166,169,1,1 1vol_B_,167,171,1,1 1vol_B_,168,172,1,1 1vol_B_,169,173,1,1 1vol_B_,170,173,1,1 1vol_B_,170,174,1,1 1vol_B_,171,175,1,1 1vol_B_,172,176,1,1 1vol_B_,173,177,1,1 1vol_B_,174,178,1,1 1vol_B_,177,180,1,1 1vol_B_,177,181,1,1 1vol_B_,178,182,1,1 1vol_B_,179,183,1,1 1vol_B_,180,184,1,1 1vol_B_,182,185,1,1