pair,contact1,contact2,flow1,flow2 7ll2_B_,2,5,1,1 7ll2_B_,4,7,1,1 7ll2_B_,6,9,1,1 7ll2_B_,9,10,1,1 7ll2_B_,10,14,1,1 7ll2_B_,10,95,1,1 7ll2_B_,10,96,1,1 7ll2_B_,11,15,1,1 7ll2_B_,11,98,1,1 7ll2_B_,12,15,1,1 7ll2_B_,12,95,1,1 7ll2_B_,14,17,1,1 7ll2_B_,17,20,1,1 7ll2_B_,18,22,1,1 7ll2_B_,19,23,1,1 7ll2_B_,20,24,1,1 7ll2_B_,21,25,1,1 7ll2_B_,23,26,1,1 7ll2_B_,23,27,1,1 7ll2_B_,24,28,1,1 7ll2_B_,26,29,1,1 7ll2_B_,27,30,1,1 7ll2_B_,28,31,1,1 7ll2_B_,29,33,1,1 7ll2_B_,30,34,1,1 7ll2_B_,31,34,1,1 7ll2_B_,35,47,1,1 7ll2_B_,40,43,1,1 7ll2_B_,41,45,1,1 7ll2_B_,42,46,1,1 7ll2_B_,43,47,1,1 7ll2_B_,44,48,1,1 7ll2_B_,45,49,1,1 7ll2_B_,46,50,1,1 7ll2_B_,47,51,1,1 7ll2_B_,48,52,1,1 7ll2_B_,49,53,1,1 7ll2_B_,50,54,1,1 7ll2_B_,51,55,1,1 7ll2_B_,52,56,1,1 7ll2_B_,53,57,1,1 7ll2_B_,54,58,1,1 7ll2_B_,55,59,1,1 7ll2_B_,56,60,1,1 7ll2_B_,57,61,1,1 7ll2_B_,58,62,1,1 7ll2_B_,59,63,1,1 7ll2_B_,60,64,1,1 7ll2_B_,61,65,1,1 7ll2_B_,63,66,1,1 7ll2_B_,63,67,1,1 7ll2_B_,64,67,1,1 7ll2_B_,64,68,1,1 7ll2_B_,70,73,1,1 7ll2_B_,76,77,1,1 7ll2_B_,79,121,1,1 7ll2_B_,83,85,1,1 7ll2_B_,83,86,1,1 7ll2_B_,84,87,1,1 7ll2_B_,84,88,1,1 7ll2_B_,87,89,1,1 7ll2_B_,89,93,1,1 7ll2_B_,89,106,1,1 7ll2_B_,90,93,1,1 7ll2_B_,91,95,1,1 7ll2_B_,92,96,1,1 7ll2_B_,93,97,1,1 7ll2_B_,99,102,1,1 7ll2_B_,99,103,1,1 7ll2_B_,100,104,1,1 7ll2_B_,102,106,1,1 7ll2_B_,103,107,1,1 7ll2_B_,104,107,1,1 7ll2_B_,105,108,1,1 7ll2_B_,107,110,1,1 7ll2_B_,107,111,1,1 7ll2_B_,108,109,1,1 7ll2_B_,110,113,1,1 7ll2_B_,110,114,1,1 7ll2_B_,111,115,1,1 7ll2_B_,113,116,1,1 7ll2_B_,113,117,1,1 7ll2_B_,114,118,1,1 7ll2_B_,115,119,1,1 7ll2_B_,116,120,1,1 7ll2_B_,117,121,1,1 7ll2_B_,118,122,1,1 7ll2_B_,119,123,1,1 7ll2_B_,120,124,1,1 7ll2_B_,121,124,1,1 7ll2_B_,121,125,1,1 7ll2_B_,122,125,1,1 7ll2_B_,122,126,1,1 7ll2_B_,123,127,1,1 7ll2_B_,124,128,1,1 7ll2_B_,125,129,1,1 7ll2_B_,126,130,1,1 7ll2_B_,127,130,1,1 7ll2_B_,127,131,1,1 7ll2_B_,128,132,1,1 7ll2_B_,129,132,1,1 7ll2_B_,129,133,1,1 7ll2_B_,130,134,1,1 7ll2_B_,132,135,1,1 7ll2_B_,132,136,1,1