pair,contact1,contact2,flow1,flow2
4tnk_F_,7,11,1,1
4tnk_F_,8,12,1,1
4tnk_F_,9,13,1,1
4tnk_F_,10,14,1,1
4tnk_F_,11,15,1,1
4tnk_F_,12,15,1,1
4tnk_F_,13,16,1,1
4tnk_F_,13,17,1,1
4tnk_F_,14,18,1,1
4tnk_F_,16,20,1,1
4tnk_F_,17,21,1,1
4tnk_F_,18,22,1,1
4tnk_F_,19,23,1,1
4tnk_F_,20,24,1,1
4tnk_F_,21,25,1,1
4tnk_F_,22,26,1,1
4tnk_F_,23,27,1,1
4tnk_F_,24,28,1,1
4tnk_F_,25,29,1,1
4tnk_F_,26,29,1,1
4tnk_F_,26,30,1,1
4tnk_F_,27,30,1,1
4tnk_F_,27,31,1,1
4tnk_F_,29,32,1,1
4tnk_F_,30,33,1,1