pair,contact1,contact2,flow1,flow2 3cxc_1_,4,7,1,1 3cxc_1_,4,8,1,1 3cxc_1_,5,9,1,1 3cxc_1_,6,10,1,1 3cxc_1_,7,11,1,1 3cxc_1_,7,46,1,1 3cxc_1_,8,12,1,1 3cxc_1_,9,13,1,1 3cxc_1_,10,14,1,1 3cxc_1_,11,15,1,1 3cxc_1_,12,16,1,1 3cxc_1_,13,17,1,1 3cxc_1_,14,18,1,1 3cxc_1_,15,18,1,1 3cxc_1_,16,19,1,1 3cxc_1_,17,33,1,1 3cxc_1_,22,25,1,1 3cxc_1_,23,26,1,1 3cxc_1_,24,28,1,1 3cxc_1_,25,29,1,1 3cxc_1_,26,29,1,1 3cxc_1_,26,31,1,1 3cxc_1_,27,30,1,1 3cxc_1_,33,35,1,1 3cxc_1_,33,36,1,1 3cxc_1_,38,42,1,1