pair,contact1,contact2,flow1,flow2 1s1c_X_,2,5,1,1 1s1c_X_,3,7,1,1 1s1c_X_,4,8,1,1 1s1c_X_,5,9,1,1 1s1c_X_,6,10,1,1 1s1c_X_,7,11,1,1 1s1c_X_,8,11,1,1 1s1c_X_,8,12,1,1 1s1c_X_,9,13,1,1 1s1c_X_,10,14,1,1 1s1c_X_,11,15,1,1 1s1c_X_,13,17,1,1 1s1c_X_,14,18,1,1 1s1c_X_,15,19,1,1 1s1c_X_,17,20,1,1 1s1c_X_,18,21,1,1 1s1c_X_,19,23,1,1 1s1c_X_,22,25,1,1 1s1c_X_,22,26,1,1 1s1c_X_,23,27,1,1 1s1c_X_,25,28,1,1 1s1c_X_,25,29,1,1 1s1c_X_,28,31,1,1 1s1c_X_,29,33,1,1 1s1c_X_,30,34,1,1 1s1c_X_,31,35,1,1 1s1c_X_,32,36,1,1 1s1c_X_,34,38,1,1 1s1c_X_,35,38,1,1 1s1c_X_,37,40,1,1 1s1c_X_,37,41,1,1 1s1c_X_,39,43,1,1 1s1c_X_,41,45,1,1 1s1c_X_,42,46,1,1 1s1c_X_,43,47,1,1 1s1c_X_,45,48,1,1 1s1c_X_,45,49,1,1 1s1c_X_,46,50,1,1 1s1c_X_,48,52,1,1 1s1c_X_,49,53,1,1 1s1c_X_,50,54,1,1 1s1c_X_,51,55,1,1 1s1c_X_,52,56,1,1 1s1c_X_,53,57,1,1 1s1c_X_,54,58,1,1 1s1c_X_,55,59,1,1 1s1c_X_,56,60,1,1 1s1c_X_,57,61,1,1 1s1c_X_,58,62,1,1 1s1c_X_,59,63,1,1 1s1c_X_,60,64,1,1 1s1c_X_,61,64,1,1 1s1c_X_,61,65,1,1 1s1c_X_,62,66,1,1 1s1c_X_,63,67,1,1 1s1c_X_,65,68,1,1 1s1c_X_,66,69,1,1