pair,contact1,contact2,flow1,flow2 1f2u_B_,2,5,1,1 1f2u_B_,2,6,1,1 1f2u_B_,3,7,1,1 1f2u_B_,4,8,1,1 1f2u_B_,5,9,1,1 1f2u_B_,6,10,1,1 1f2u_B_,7,11,1,1 1f2u_B_,8,12,1,1 1f2u_B_,9,13,1,1 1f2u_B_,10,14,1,1 1f2u_B_,11,15,1,1 1f2u_B_,12,16,1,1 1f2u_B_,13,17,1,1 1f2u_B_,14,18,1,1 1f2u_B_,15,19,1,1 1f2u_B_,16,20,1,1 1f2u_B_,16,30,1,1 1f2u_B_,17,21,1,1 1f2u_B_,17,106,1,1 1f2u_B_,18,22,1,1 1f2u_B_,19,23,1,1 1f2u_B_,20,25,1,1 1f2u_B_,21,24,1,1 1f2u_B_,21,106,1,1 1f2u_B_,23,26,1,1 1f2u_B_,23,27,1,1 1f2u_B_,24,98,1,1 1f2u_B_,26,59,1,1 1f2u_B_,27,59,1,1 1f2u_B_,28,44,1,1 1f2u_B_,29,44,1,1 1f2u_B_,31,42,1,1 1f2u_B_,33,40,1,1 1f2u_B_,35,38,1,1 1f2u_B_,43,50,1,1 1f2u_B_,45,48,1,1 1f2u_B_,45,50,1,1 1f2u_B_,51,54,1,1 1f2u_B_,52,55,1,1 1f2u_B_,56,59,1,1 1f2u_B_,56,60,1,1 1f2u_B_,57,61,1,1 1f2u_B_,58,62,1,1 1f2u_B_,59,63,1,1 1f2u_B_,60,64,1,1 1f2u_B_,61,65,1,1 1f2u_B_,62,66,1,1 1f2u_B_,63,67,1,1 1f2u_B_,64,68,1,1 1f2u_B_,65,69,1,1 1f2u_B_,66,70,1,1 1f2u_B_,67,71,1,1 1f2u_B_,68,72,1,1 1f2u_B_,69,73,1,1 1f2u_B_,70,74,1,1 1f2u_B_,71,75,1,1 1f2u_B_,73,76,1,1 1f2u_B_,75,78,1,1 1f2u_B_,75,79,1,1 1f2u_B_,76,80,1,1 1f2u_B_,80,112,1,1 1f2u_B_,82,112,1,1 1f2u_B_,82,114,1,1 1f2u_B_,84,114,1,1 1f2u_B_,84,116,1,1 1f2u_B_,86,116,1,1 1f2u_B_,88,91,1,1 1f2u_B_,91,96,1,1 1f2u_B_,92,95,1,1 1f2u_B_,92,96,1,1 1f2u_B_,93,97,1,1 1f2u_B_,94,98,1,1 1f2u_B_,95,99,1,1 1f2u_B_,96,100,1,1 1f2u_B_,97,101,1,1 1f2u_B_,98,102,1,1 1f2u_B_,99,103,1,1 1f2u_B_,100,103,1,1 1f2u_B_,100,104,1,1 1f2u_B_,102,106,1,1 1f2u_B_,106,109,1,1 1f2u_B_,108,125,1,1 1f2u_B_,117,119,1,1 1f2u_B_,119,121,1,1 1f2u_B_,119,122,1,1 1f2u_B_,120,123,1,1 1f2u_B_,124,126,1,1 1f2u_B_,127,145,1,1 1f2u_B_,129,144,1,1 1f2u_B_,129,145,1,1 1f2u_B_,131,142,1,1 1f2u_B_,133,135,1,1 1f2u_B_,133,140,1,1 1f2u_B_,135,138,1,1 1f2u_B_,135,140,1,1