pair,contact1,contact2,flow1,flow2 4k27_U_,1,55,1,1 4k27_U_,2,54,1,1 4k27_U_,3,53,1,1 4k27_U_,4,52,1,1 4k27_U_,5,51,1,1 4k27_U_,6,50,1,1 4k27_U_,7,49,1,1 4k27_U_,8,48,1,1 4k27_U_,9,47,1,1 4k27_U_,10,46,1,1 4k27_U_,11,45,1,1 4k27_U_,12,44,1,1 4k27_U_,13,43,1,1 4k27_U_,14,42,1,1 4k27_U_,15,41,1,1 4k27_U_,16,40,1,1 4k27_U_,17,39,1,1 4k27_U_,18,38,1,1 4k27_U_,19,37,1,1 4k27_U_,20,35,1,1 4k27_U_,21,22,1,1 4k27_U_,23,34,1,1 4k27_U_,24,33,1,1 4k27_U_,25,32,1,1 4k27_U_,26,31,1,1 4k27_U_,27,30,1,1