pair,contact1,contact2,flow1,flow2 4chm_A_,1,3,1,1 4chm_A_,8,11,1,1 4chm_A_,8,12,1,1 4chm_A_,9,13,1,1 4chm_A_,10,14,1,1 4chm_A_,11,15,1,1 4chm_A_,11,109,1,1 4chm_A_,12,16,1,1 4chm_A_,13,16,1,1 4chm_A_,13,17,1,1 4chm_A_,14,17,1,1 4chm_A_,14,18,1,1 4chm_A_,15,19,1,1 4chm_A_,16,20,1,1 4chm_A_,17,21,1,1 4chm_A_,18,110,1,1 4chm_A_,19,22,1,1 4chm_A_,19,41,1,1 4chm_A_,23,39,1,1 4chm_A_,25,37,1,1 4chm_A_,26,104,1,1 4chm_A_,27,35,1,1 4chm_A_,28,102,1,1 4chm_A_,29,32,1,1 4chm_A_,29,33,1,1 4chm_A_,29,79,1,1 4chm_A_,30,79,1,1 4chm_A_,30,80,1,1 4chm_A_,31,33,1,1 4chm_A_,35,37,1,1 4chm_A_,38,51,1,1 4chm_A_,40,49,1,1 4chm_A_,42,45,1,1 4chm_A_,42,47,1,1 4chm_A_,43,46,1,1 4chm_A_,45,46,1,1 4chm_A_,45,47,1,1 4chm_A_,46,61,1,1 4chm_A_,48,59,1,1 4chm_A_,50,57,1,1 4chm_A_,52,55,1,1 4chm_A_,60,63,1,1 4chm_A_,61,64,1,1 4chm_A_,61,122,1,1 4chm_A_,63,95,1,1 4chm_A_,63,96,1,1 4chm_A_,64,122,1,1 4chm_A_,65,93,1,1 4chm_A_,66,93,1,1 4chm_A_,68,91,1,1 4chm_A_,69,73,1,1 4chm_A_,70,73,1,1 4chm_A_,70,74,1,1 4chm_A_,71,75,1,1 4chm_A_,71,85,1,1 4chm_A_,73,76,1,1 4chm_A_,74,77,1,1 4chm_A_,79,81,1,1 4chm_A_,82,84,1,1 4chm_A_,82,85,1,1 4chm_A_,82,104,1,1 4chm_A_,84,87,1,1 4chm_A_,86,88,1,1 4chm_A_,87,111,1,1 4chm_A_,88,105,1,1 4chm_A_,89,103,1,1 4chm_A_,90,103,1,1 4chm_A_,92,101,1,1 4chm_A_,94,99,1,1 4chm_A_,97,99,1,1 4chm_A_,107,111,1,1 4chm_A_,108,112,1,1 4chm_A_,109,113,1,1 4chm_A_,110,114,1,1 4chm_A_,111,115,1,1 4chm_A_,112,116,1,1 4chm_A_,113,117,1,1 4chm_A_,114,118,1,1 4chm_A_,115,119,1,1 4chm_A_,116,120,1,1 4chm_A_,117,121,1,1 4chm_A_,118,122,1,1 4chm_A_,119,123,1,1 4chm_A_,120,124,1,1 4chm_A_,122,125,1,1