pair,contact1,contact2,flow1,flow2 2sh1_A_,1,21,1,1 2sh1_A_,3,4,1,1 2sh1_A_,3,18,1,1 2sh1_A_,3,19,1,1 2sh1_A_,4,5,1,1 2sh1_A_,5,13,1,1 2sh1_A_,5,16,1,1 2sh1_A_,5,43,1,1 2sh1_A_,6,33,1,1 2sh1_A_,7,9,1,1 2sh1_A_,7,33,1,1 2sh1_A_,8,12,1,1 2sh1_A_,8,14,1,1 2sh1_A_,10,12,1,1 2sh1_A_,11,14,1,1 2sh1_A_,13,14,1,1 2sh1_A_,15,18,1,1 2sh1_A_,16,18,1,1 2sh1_A_,20,44,1,1 2sh1_A_,22,26,1,1 2sh1_A_,22,42,1,1 2sh1_A_,22,44,1,1 2sh1_A_,23,25,1,1 2sh1_A_,24,32,1,1 2sh1_A_,24,40,1,1 2sh1_A_,26,42,1,1 2sh1_A_,27,28,1,1 2sh1_A_,27,30,1,1 2sh1_A_,29,47,1,1 2sh1_A_,30,44,1,1 2sh1_A_,31,33,1,1 2sh1_A_,31,45,1,1 2sh1_A_,32,35,1,1 2sh1_A_,32,42,1,1 2sh1_A_,33,43,1,1 2sh1_A_,34,43,1,1 2sh1_A_,36,39,1,1 2sh1_A_,37,41,1,1 2sh1_A_,38,41,1,1 2sh1_A_,42,44,1,1 2sh1_A_,46,48,1,1