pair,contact1,contact2,flow1,flow2 2bfu_S_,1,3,1,1 2bfu_S_,12,163,1,1 2bfu_S_,13,14,1,1 2bfu_S_,16,50,1,1 2bfu_S_,16,52,1,1 2bfu_S_,17,159,1,1 2bfu_S_,18,47,1,1 2bfu_S_,19,156,1,1 2bfu_S_,19,157,1,1 2bfu_S_,26,28,1,1 2bfu_S_,30,148,1,1 2bfu_S_,30,149,1,1 2bfu_S_,32,146,1,1 2bfu_S_,33,36,1,1 2bfu_S_,34,144,1,1 2bfu_S_,43,45,1,1 2bfu_S_,44,47,1,1 2bfu_S_,53,183,1,1 2bfu_S_,54,57,1,1 2bfu_S_,54,58,1,1 2bfu_S_,55,59,1,1 2bfu_S_,56,60,1,1 2bfu_S_,57,61,1,1 2bfu_S_,59,62,1,1 2bfu_S_,66,132,1,1 2bfu_S_,67,170,1,1 2bfu_S_,69,166,1,1 2bfu_S_,72,120,1,1 2bfu_S_,73,162,1,1 2bfu_S_,74,118,1,1 2bfu_S_,75,76,1,1 2bfu_S_,75,160,1,1 2bfu_S_,77,158,1,1 2bfu_S_,88,111,1,1 2bfu_S_,89,111,1,1 2bfu_S_,92,108,1,1 2bfu_S_,94,106,1,1 2bfu_S_,95,145,1,1 2bfu_S_,96,143,1,1 2bfu_S_,99,101,1,1 2bfu_S_,104,107,1,1 2bfu_S_,114,116,1,1 2bfu_S_,128,131,1,1 2bfu_S_,133,136,1,1 2bfu_S_,134,136,1,1 2bfu_S_,135,143,1,1 2bfu_S_,146,148,1,1 2bfu_S_,161,162,1,1 2bfu_S_,164,165,1,1 2bfu_S_,168,170,1,1 2bfu_S_,169,171,1,1