pair,contact1,contact2,flow1,flow2 1uel_B_,1,3,1,1 1uel_B_,4,6,1,1 1uel_B_,8,10,1,1 1uel_B_,13,15,1,1 1uel_B_,19,22,1,1 1uel_B_,22,27,1,1 1uel_B_,23,26,1,1 1uel_B_,23,27,1,1 1uel_B_,24,28,1,1 1uel_B_,25,29,1,1 1uel_B_,26,30,1,1 1uel_B_,27,31,1,1 1uel_B_,28,32,1,1 1uel_B_,29,33,1,1 1uel_B_,30,34,1,1 1uel_B_,31,35,1,1 1uel_B_,32,35,1,1 1uel_B_,32,36,1,1 1uel_B_,33,37,1,1 1uel_B_,33,44,1,1 1uel_B_,34,38,1,1 1uel_B_,35,39,1,1 1uel_B_,36,41,1,1 1uel_B_,37,40,1,1 1uel_B_,37,43,1,1 1uel_B_,41,44,1,1