pair,contact1,contact2,flow1,flow2 4wfn_D_,2,4,1,1 4wfn_D_,4,8,1,1 4wfn_D_,5,9,1,1 4wfn_D_,6,10,1,1 4wfn_D_,6,11,1,1 4wfn_D_,7,10,1,1 4wfn_D_,7,11,1,1 4wfn_D_,10,14,1,1 4wfn_D_,11,14,1,1 4wfn_D_,11,15,1,1 4wfn_D_,12,16,1,1 4wfn_D_,14,18,1,1 4wfn_D_,20,163,1,1 4wfn_D_,22,25,1,1 4wfn_D_,28,157,1,1 4wfn_D_,30,155,1,1 4wfn_D_,31,155,1,1 4wfn_D_,32,89,1,1 4wfn_D_,33,153,1,1 4wfn_D_,34,87,1,1 4wfn_D_,35,151,1,1 4wfn_D_,36,85,1,1 4wfn_D_,38,83,1,1 4wfn_D_,40,76,1,1 4wfn_D_,43,76,1,1 4wfn_D_,44,48,1,1 4wfn_D_,46,50,1,1 4wfn_D_,47,51,1,1 4wfn_D_,48,52,1,1 4wfn_D_,50,53,1,1 4wfn_D_,50,54,1,1 4wfn_D_,51,55,1,1 4wfn_D_,52,56,1,1 4wfn_D_,53,56,1,1 4wfn_D_,54,57,1,1 4wfn_D_,54,58,1,1 4wfn_D_,55,59,1,1 4wfn_D_,61,88,1,1 4wfn_D_,64,86,1,1 4wfn_D_,66,83,1,1 4wfn_D_,66,84,1,1 4wfn_D_,91,95,1,1 4wfn_D_,92,96,1,1 4wfn_D_,93,97,1,1 4wfn_D_,94,98,1,1 4wfn_D_,95,99,1,1 4wfn_D_,96,100,1,1 4wfn_D_,97,101,1,1 4wfn_D_,98,101,1,1 4wfn_D_,98,102,1,1 4wfn_D_,99,103,1,1 4wfn_D_,100,105,1,1 4wfn_D_,100,138,1,1 4wfn_D_,101,106,1,1 4wfn_D_,104,108,1,1 4wfn_D_,110,132,1,1 4wfn_D_,115,174,1,1 4wfn_D_,116,118,1,1 4wfn_D_,120,161,1,1 4wfn_D_,121,124,1,1 4wfn_D_,124,156,1,1 4wfn_D_,125,156,1,1 4wfn_D_,126,154,1,1 4wfn_D_,156,158,1,1 4wfn_D_,160,163,1,1 4wfn_D_,160,164,1,1 4wfn_D_,161,165,1,1 4wfn_D_,163,167,1,1 4wfn_D_,164,168,1,1 4wfn_D_,165,169,1,1 4wfn_D_,167,170,1,1