pair,contact1,contact2,flow1,flow2 4wfa_D_,2,6,1,1 4wfa_D_,3,7,1,1 4wfa_D_,4,8,1,1 4wfa_D_,5,9,1,1 4wfa_D_,6,10,1,1 4wfa_D_,7,11,1,1 4wfa_D_,8,12,1,1 4wfa_D_,9,13,1,1 4wfa_D_,10,14,1,1 4wfa_D_,12,15,1,1 4wfa_D_,19,20,1,1 4wfa_D_,20,23,1,1 4wfa_D_,21,24,1,1 4wfa_D_,26,136,1,1 4wfa_D_,29,134,1,1 4wfa_D_,30,83,1,1 4wfa_D_,31,132,1,1 4wfa_D_,32,81,1,1 4wfa_D_,33,130,1,1 4wfa_D_,41,44,1,1 4wfa_D_,42,46,1,1 4wfa_D_,43,47,1,1 4wfa_D_,44,48,1,1 4wfa_D_,45,49,1,1 4wfa_D_,46,50,1,1 4wfa_D_,47,51,1,1 4wfa_D_,48,52,1,1 4wfa_D_,49,53,1,1 4wfa_D_,51,54,1,1 4wfa_D_,51,55,1,1 4wfa_D_,61,77,1,1 4wfa_D_,63,75,1,1 4wfa_D_,67,70,1,1 4wfa_D_,72,75,1,1 4wfa_D_,84,87,1,1 4wfa_D_,85,88,1,1 4wfa_D_,85,89,1,1 4wfa_D_,86,90,1,1 4wfa_D_,87,91,1,1 4wfa_D_,88,92,1,1 4wfa_D_,89,93,1,1 4wfa_D_,91,94,1,1 4wfa_D_,94,97,1,1 4wfa_D_,96,98,1,1 4wfa_D_,100,102,1,1 4wfa_D_,101,103,1,1 4wfa_D_,116,133,1,1 4wfa_D_,118,131,1,1 4wfa_D_,139,143,1,1 4wfa_D_,140,144,1,1 4wfa_D_,141,145,1,1 4wfa_D_,142,146,1,1 4wfa_D_,143,147,1,1 4wfa_D_,144,148,1,1 4wfa_D_,145,149,1,1 4wfa_D_,147,150,1,1 4wfa_D_,148,151,1,1