pair,contact1,contact2,flow1,flow2 2cqh_A_,10,80,1,1 2cqh_A_,11,49,1,1 2cqh_A_,12,78,1,1 2cqh_A_,13,47,1,1 2cqh_A_,14,76,1,1 2cqh_A_,17,19,1,1 2cqh_A_,17,20,1,1 2cqh_A_,21,25,1,1 2cqh_A_,22,26,1,1 2cqh_A_,23,26,1,1 2cqh_A_,23,27,1,1 2cqh_A_,24,28,1,1 2cqh_A_,25,29,1,1 2cqh_A_,26,30,1,1 2cqh_A_,27,31,1,1 2cqh_A_,28,32,1,1 2cqh_A_,29,32,1,1 2cqh_A_,29,34,1,1 2cqh_A_,30,33,1,1 2cqh_A_,39,50,1,1 2cqh_A_,41,48,1,1 2cqh_A_,43,46,1,1 2cqh_A_,53,57,1,1 2cqh_A_,54,58,1,1 2cqh_A_,55,59,1,1 2cqh_A_,56,60,1,1 2cqh_A_,57,61,1,1 2cqh_A_,58,62,1,1 2cqh_A_,59,63,1,1 2cqh_A_,60,64,1,1 2cqh_A_,62,67,1,1 2cqh_A_,64,67,1,1 2cqh_A_,65,77,1,1 2cqh_A_,68,75,1,1 2cqh_A_,70,73,1,1