pair,contact1,contact2,flow1,flow2
4z0k_B_,2,21,1,1
4z0k_B_,3,5,1,1
4z0k_B_,3,6,1,1
4z0k_B_,4,17,1,1
4z0k_B_,6,9,1,1
4z0k_B_,7,10,1,1
4z0k_B_,8,11,1,1
4z0k_B_,8,13,1,1
4z0k_B_,9,11,1,1
4z0k_B_,9,38,1,1
4z0k_B_,12,38,1,1
4z0k_B_,12,40,1,1
4z0k_B_,13,28,1,1
4z0k_B_,14,26,1,1
4z0k_B_,16,24,1,1
4z0k_B_,18,22,1,1
4z0k_B_,25,37,1,1
4z0k_B_,26,40,1,1
4z0k_B_,28,31,1,1
4z0k_B_,29,48,1,1
4z0k_B_,30,43,1,1
4z0k_B_,31,48,1,1
4z0k_B_,32,41,1,1
4z0k_B_,34,37,1,1
4z0k_B_,34,39,1,1
4z0k_B_,36,38,1,1
4z0k_B_,36,39,1,1
4z0k_B_,53,55,1,1