pair,contact1,contact2,flow1,flow2 4wfa_L_,6,10,1,1 4wfa_L_,12,16,1,1 4wfa_L_,13,17,1,1 4wfa_L_,14,18,1,1 4wfa_L_,16,19,1,1 4wfa_L_,17,20,1,1 4wfa_L_,27,42,1,1 4wfa_L_,27,44,1,1 4wfa_L_,28,86,1,1 4wfa_L_,29,40,1,1 4wfa_L_,31,38,1,1 4wfa_L_,37,55,1,1 4wfa_L_,40,49,1,1 4wfa_L_,41,50,1,1 4wfa_L_,43,46,1,1 4wfa_L_,43,47,1,1 4wfa_L_,43,48,1,1 4wfa_L_,52,54,1,1 4wfa_L_,67,70,1,1 4wfa_L_,68,71,1,1 4wfa_L_,69,73,1,1 4wfa_L_,70,74,1,1 4wfa_L_,71,75,1,1 4wfa_L_,72,76,1,1 4wfa_L_,73,77,1,1 4wfa_L_,74,78,1,1 4wfa_L_,75,79,1,1 4wfa_L_,76,80,1,1 4wfa_L_,77,80,1,1 4wfa_L_,77,81,1,1 4wfa_L_,77,82,1,1 4wfa_L_,95,99,1,1 4wfa_L_,98,102,1,1 4wfa_L_,99,103,1,1 4wfa_L_,101,105,1,1 4wfa_L_,102,105,1,1 4wfa_L_,103,106,1,1 4wfa_L_,105,108,1,1