pair,contact1,contact2,flow1,flow2 1i7c_B_,5,7,1,1 1i7c_B_,12,14,1,1 1i7c_B_,17,19,1,1 1i7c_B_,23,25,1,1 1i7c_B_,23,28,1,1 1i7c_B_,25,27,1,1 1i7c_B_,25,28,1,1 1i7c_B_,26,29,1,1 1i7c_B_,27,52,1,1 1i7c_B_,30,33,1,1 1i7c_B_,31,34,1,1 1i7c_B_,31,35,1,1 1i7c_B_,32,36,1,1 1i7c_B_,33,37,1,1 1i7c_B_,34,38,1,1 1i7c_B_,35,39,1,1 1i7c_B_,36,39,1,1 1i7c_B_,37,40,1,1 1i7c_B_,38,41,1,1 1i7c_B_,38,43,1,1 1i7c_B_,39,42,1,1 1i7c_B_,44,60,1,1 1i7c_B_,46,58,1,1 1i7c_B_,47,58,1,1 1i7c_B_,49,56,1,1 1i7c_B_,51,54,1,1 1i7c_B_,55,57,1,1 1i7c_B_,60,61,1,1