pair,contact1,contact2,flow1,flow2
4ld9_D_,2,5,1,1
4ld9_D_,4,8,1,1
4ld9_D_,5,9,1,1
4ld9_D_,7,11,1,1
4ld9_D_,8,12,1,1
4ld9_D_,9,13,1,1
4ld9_D_,12,13,1,1
4ld9_D_,13,16,1,1
4ld9_D_,19,23,1,1
4ld9_D_,20,24,1,1
4ld9_D_,21,24,1,1
4ld9_D_,21,25,1,1
4ld9_D_,22,26,1,1
4ld9_D_,23,27,1,1
4ld9_D_,24,28,1,1
4ld9_D_,25,28,1,1
4ld9_D_,25,29,1,1
4ld9_D_,26,30,1,1
4ld9_D_,27,31,1,1
4ld9_D_,28,32,1,1
4ld9_D_,29,33,1,1
4ld9_D_,30,34,1,1
4ld9_D_,31,35,1,1
4ld9_D_,32,36,1,1
4ld9_D_,33,37,1,1
4ld9_D_,34,38,1,1
4ld9_D_,35,39,1,1
4ld9_D_,36,40,1,1
4ld9_D_,37,41,1,1
4ld9_D_,38,42,1,1
4ld9_D_,39,43,1,1
4ld9_D_,40,43,1,1
4ld9_D_,40,44,1,1
4ld9_D_,41,45,1,1
4ld9_D_,42,46,1,1
4ld9_D_,43,47,1,1
4ld9_D_,45,48,1,1
4ld9_D_,46,49,1,1
4ld9_D_,54,57,1,1
4ld9_D_,54,58,1,1
4ld9_D_,55,59,1,1
4ld9_D_,56,60,1,1
4ld9_D_,57,61,1,1
4ld9_D_,58,62,1,1
4ld9_D_,59,63,1,1
4ld9_D_,61,65,1,1
4ld9_D_,67,71,1,1
4ld9_D_,68,71,1,1
4ld9_D_,68,72,1,1
4ld9_D_,69,72,1,1
4ld9_D_,69,73,1,1
4ld9_D_,70,74,1,1
4ld9_D_,71,75,1,1
4ld9_D_,72,76,1,1
4ld9_D_,73,77,1,1
4ld9_D_,75,79,1,1
4ld9_D_,76,80,1,1
4ld9_D_,77,80,1,1
4ld9_D_,77,81,1,1
4ld9_D_,78,82,1,1
4ld9_D_,79,83,1,1
4ld9_D_,80,83,1,1
4ld9_D_,80,84,1,1
4ld9_D_,82,86,1,1
4ld9_D_,83,86,1,1