pair,contact1,contact2,flow1,flow2 1i2u_A_,1,44,1,1 1i2u_A_,2,42,1,1 1i2u_A_,4,40,1,1 1i2u_A_,5,40,1,1 1i2u_A_,6,8,1,1 1i2u_A_,6,13,1,1 1i2u_A_,6,38,1,1 1i2u_A_,7,38,1,1 1i2u_A_,15,40,1,1 1i2u_A_,17,20,1,1 1i2u_A_,17,21,1,1 1i2u_A_,18,22,1,1 1i2u_A_,19,23,1,1 1i2u_A_,19,28,1,1 1i2u_A_,20,24,1,1 1i2u_A_,21,25,1,1 1i2u_A_,22,25,1,1 1i2u_A_,22,27,1,1 1i2u_A_,22,29,1,1 1i2u_A_,23,26,1,1 1i2u_A_,29,42,1,1 1i2u_A_,29,43,1,1 1i2u_A_,31,41,1,1 1i2u_A_,32,37,1,1 1i2u_A_,32,39,1,1 1i2u_A_,33,39,1,1 1i2u_A_,34,41,1,1