pair,contact1,contact2,flow1,flow2 2pn0_A_,1,37,1,1 2pn0_A_,4,39,1,1 2pn0_A_,5,41,1,1 2pn0_A_,6,9,1,1 2pn0_A_,6,10,1,1 2pn0_A_,7,11,1,1 2pn0_A_,7,41,1,1 2pn0_A_,8,12,1,1 2pn0_A_,9,13,1,1 2pn0_A_,9,72,1,1 2pn0_A_,10,14,1,1 2pn0_A_,11,15,1,1 2pn0_A_,12,16,1,1 2pn0_A_,13,17,1,1 2pn0_A_,14,18,1,1 2pn0_A_,15,19,1,1 2pn0_A_,16,20,1,1 2pn0_A_,17,21,1,1 2pn0_A_,17,28,1,1 2pn0_A_,18,21,1,1 2pn0_A_,20,23,1,1 2pn0_A_,20,28,1,1 2pn0_A_,23,25,1,1 2pn0_A_,23,28,1,1 2pn0_A_,25,28,1,1 2pn0_A_,27,31,1,1 2pn0_A_,28,32,1,1 2pn0_A_,29,33,1,1 2pn0_A_,30,34,1,1 2pn0_A_,31,35,1,1 2pn0_A_,32,36,1,1 2pn0_A_,33,37,1,1 2pn0_A_,35,38,1,1 2pn0_A_,42,44,1,1 2pn0_A_,42,45,1,1 2pn0_A_,43,46,1,1 2pn0_A_,47,50,1,1 2pn0_A_,49,98,1,1 2pn0_A_,51,95,1,1 2pn0_A_,51,96,1,1 2pn0_A_,52,54,1,1 2pn0_A_,54,70,1,1 2pn0_A_,55,69,1,1 2pn0_A_,55,120,1,1 2pn0_A_,56,68,1,1 2pn0_A_,57,117,1,1 2pn0_A_,57,118,1,1 2pn0_A_,58,67,1,1 2pn0_A_,59,115,1,1 2pn0_A_,60,64,1,1 2pn0_A_,60,65,1,1 2pn0_A_,61,113,1,1 2pn0_A_,63,65,1,1 2pn0_A_,69,81,1,1 2pn0_A_,69,83,1,1 2pn0_A_,71,83,1,1 2pn0_A_,71,85,1,1 2pn0_A_,72,75,1,1 2pn0_A_,73,76,1,1 2pn0_A_,74,75,1,1 2pn0_A_,77,79,1,1 2pn0_A_,79,81,1,1 2pn0_A_,84,86,1,1 2pn0_A_,84,87,1,1 2pn0_A_,87,91,1,1 2pn0_A_,89,92,1,1 2pn0_A_,90,93,1,1 2pn0_A_,93,96,1,1 2pn0_A_,97,100,1,1 2pn0_A_,98,117,1,1 2pn0_A_,99,116,1,1 2pn0_A_,100,116,1,1 2pn0_A_,101,113,1,1 2pn0_A_,101,115,1,1 2pn0_A_,102,114,1,1 2pn0_A_,103,113,1,1 2pn0_A_,104,112,1,1 2pn0_A_,106,109,1,1 2pn0_A_,106,110,1,1