pair,contact1,contact2,flow1,flow2
2bh2_C_,1935,1938,1,1
2bh2_C_,1945,1961,1,1
2bh2_C_,1946,1960,1,1
2bh2_C_,1947,1959,1,1
2bh2_C_,1948,1958,1,1
2bh2_C_,1949,1957,1,1