pair,contact1,contact2,flow1,flow2 1s4z_A_,3,8,1,1 1s4z_A_,19,36,1,1 1s4z_A_,19,38,1,1 1s4z_A_,22,34,1,1 1s4z_A_,23,34,1,1 1s4z_A_,27,30,1,1 1s4z_A_,31,48,1,1 1s4z_A_,35,44,1,1 1s4z_A_,47,51,1,1 1s4z_A_,48,52,1,1 1s4z_A_,50,54,1,1 1s4z_A_,51,55,1,1 1s4z_A_,55,58,1,1 1s4z_A_,55,59,1,1 1s4z_A_,56,60,1,1 1s4z_A_,57,61,1,1 1s4z_A_,58,62,1,1 1s4z_A_,59,63,1,1 1s4z_A_,60,64,1,1 1s4z_A_,61,65,1,1 1s4z_A_,62,66,1,1