pair,contact1,contact2,flow1,flow2 2l1s_A_,4,7,1,1 2l1s_A_,5,8,1,1 2l1s_A_,6,9,1,1 2l1s_A_,8,76,1,1 2l1s_A_,10,74,1,1 2l1s_A_,11,22,1,1 2l1s_A_,13,20,1,1 2l1s_A_,14,19,1,1 2l1s_A_,15,18,1,1 2l1s_A_,16,30,1,1 2l1s_A_,21,24,1,1 2l1s_A_,23,71,1,1 2l1s_A_,24,71,1,1 2l1s_A_,26,69,1,1 2l1s_A_,27,30,1,1 2l1s_A_,28,31,1,1 2l1s_A_,32,34,1,1 2l1s_A_,32,35,1,1 2l1s_A_,33,36,1,1 2l1s_A_,37,54,1,1 2l1s_A_,42,43,1,1 2l1s_A_,44,79,1,1 2l1s_A_,44,82,1,1 2l1s_A_,46,54,1,1 2l1s_A_,49,51,1,1 2l1s_A_,49,52,1,1 2l1s_A_,49,73,1,1 2l1s_A_,51,66,1,1 2l1s_A_,53,64,1,1 2l1s_A_,53,66,1,1 2l1s_A_,55,62,1,1 2l1s_A_,57,59,1,1 2l1s_A_,57,60,1,1 2l1s_A_,59,77,1,1 2l1s_A_,61,75,1,1 2l1s_A_,63,72,1,1 2l1s_A_,63,73,1,1 2l1s_A_,65,68,1,1 2l1s_A_,65,70,1,1 2l1s_A_,76,78,1,1 2l1s_A_,77,80,1,1 2l1s_A_,78,81,1,1