pair,contact1,contact2,flow1,flow2 1i1s_A_,2,5,1,1 1i1s_A_,3,7,1,1 1i1s_A_,4,8,1,1 1i1s_A_,5,9,1,1 1i1s_A_,6,10,1,1 1i1s_A_,7,11,1,1 1i1s_A_,8,12,1,1 1i1s_A_,8,13,1,1 1i1s_A_,16,19,1,1 1i1s_A_,16,20,1,1 1i1s_A_,17,21,1,1 1i1s_A_,18,22,1,1 1i1s_A_,19,23,1,1 1i1s_A_,20,24,1,1 1i1s_A_,21,25,1,1 1i1s_A_,22,26,1,1 1i1s_A_,23,27,1,1 1i1s_A_,24,28,1,1 1i1s_A_,25,29,1,1 1i1s_A_,29,32,1,1 1i1s_A_,33,37,1,1 1i1s_A_,34,38,1,1 1i1s_A_,36,39,1,1 1i1s_A_,36,40,1,1 1i1s_A_,45,49,1,1 1i1s_A_,46,50,1,1 1i1s_A_,47,51,1,1 1i1s_A_,48,52,1,1 1i1s_A_,49,53,1,1 1i1s_A_,50,54,1,1 1i1s_A_,51,55,1,1 1i1s_A_,52,56,1,1 1i1s_A_,53,57,1,1 1i1s_A_,54,58,1,1 1i1s_A_,55,59,1,1 1i1s_A_,57,60,1,1 1i1s_A_,63,70,1,1 1i1s_A_,65,68,1,1 1i1s_A_,72,76,1,1 1i1s_A_,73,77,1,1 1i1s_A_,74,78,1,1 1i1s_A_,75,79,1,1 1i1s_A_,76,80,1,1 1i1s_A_,77,81,1,1 1i1s_A_,78,82,1,1 1i1s_A_,79,83,1,1 1i1s_A_,80,84,1,1 1i1s_A_,81,85,1,1 1i1s_A_,82,86,1,1 1i1s_A_,83,87,1,1 1i1s_A_,84,88,1,1 1i1s_A_,85,88,1,1 1i1s_A_,86,89,1,1 1i1s_A_,86,90,1,1 1i1s_A_,86,91,1,1