pair,contact1,contact2,flow1,flow2 7okq_D_,17,58,1,1 7okq_D_,18,21,1,1 7okq_D_,24,28,1,1 7okq_D_,27,29,1,1 7okq_D_,30,33,1,1 7okq_D_,34,36,1,1 7okq_D_,35,37,1,1 7okq_D_,36,39,1,1 7okq_D_,37,43,1,1 7okq_D_,40,42,1,1 7okq_D_,45,47,1,1 7okq_D_,46,49,1,1 7okq_D_,47,50,1,1 7okq_D_,51,63,1,1 7okq_D_,53,61,1,1 7okq_D_,55,59,1,1 7okq_D_,63,67,1,1 7okq_D_,64,68,1,1 7okq_D_,66,69,1,1 7okq_D_,67,70,1,1 7okq_D_,69,72,1,1