pair,contact1,contact2,flow1,flow2 2pnd_A_,2,31,1,1 2pnd_A_,5,111,1,1 2pnd_A_,6,24,1,1 2pnd_A_,7,111,1,1 2pnd_A_,9,114,1,1 2pnd_A_,11,114,1,1 2pnd_A_,11,116,1,1 2pnd_A_,13,116,1,1 2pnd_A_,13,118,1,1 2pnd_A_,14,17,1,1 2pnd_A_,14,118,1,1 2pnd_A_,15,118,1,1 2pnd_A_,16,85,1,1 2pnd_A_,17,85,1,1 2pnd_A_,18,83,1,1 2pnd_A_,18,84,1,1 2pnd_A_,19,82,1,1 2pnd_A_,20,81,1,1 2pnd_A_,21,80,1,1 2pnd_A_,23,78,1,1 2pnd_A_,23,79,1,1 2pnd_A_,25,33,1,1 2pnd_A_,25,76,1,1 2pnd_A_,25,99,1,1 2pnd_A_,28,31,1,1 2pnd_A_,32,100,1,1 2pnd_A_,34,98,1,1 2pnd_A_,35,98,1,1 2pnd_A_,36,52,1,1 2pnd_A_,37,95,1,1 2pnd_A_,37,96,1,1 2pnd_A_,38,49,1,1 2pnd_A_,38,50,1,1 2pnd_A_,38,78,1,1 2pnd_A_,39,94,1,1 2pnd_A_,40,47,1,1 2pnd_A_,41,91,1,1 2pnd_A_,41,92,1,1 2pnd_A_,42,45,1,1 2pnd_A_,48,61,1,1 2pnd_A_,51,58,1,1 2pnd_A_,52,57,1,1 2pnd_A_,52,70,1,1 2pnd_A_,52,71,1,1 2pnd_A_,53,55,1,1 2pnd_A_,53,56,1,1 2pnd_A_,53,58,1,1 2pnd_A_,55,58,1,1 2pnd_A_,59,65,1,1 2pnd_A_,60,65,1,1 2pnd_A_,61,64,1,1 2pnd_A_,62,65,1,1 2pnd_A_,63,67,1,1 2pnd_A_,64,67,1,1 2pnd_A_,67,83,1,1 2pnd_A_,67,89,1,1 2pnd_A_,69,81,1,1 2pnd_A_,71,79,1,1 2pnd_A_,74,77,1,1 2pnd_A_,77,79,1,1 2pnd_A_,86,89,1,1 2pnd_A_,87,90,1,1 2pnd_A_,89,93,1,1 2pnd_A_,91,92,1,1 2pnd_A_,91,115,1,1 2pnd_A_,93,113,1,1 2pnd_A_,95,111,1,1 2pnd_A_,97,109,1,1 2pnd_A_,99,107,1,1 2pnd_A_,100,106,1,1 2pnd_A_,101,104,1,1 2pnd_A_,101,105,1,1 2pnd_A_,108,109,1,1 2pnd_A_,114,116,1,1