pair,contact1,contact2,flow1,flow2
4gh4_D_,1,4,1,1
4gh4_D_,10,17,1,1
4gh4_D_,13,16,1,1
4gh4_D_,13,17,1,1
4gh4_D_,14,18,1,1
4gh4_D_,26,29,1,1
4gh4_D_,26,30,1,1
4gh4_D_,27,31,1,1
4gh4_D_,28,32,1,1
4gh4_D_,29,33,1,1
4gh4_D_,30,34,1,1
4gh4_D_,31,34,1,1
4gh4_D_,32,35,1,1