pair,contact1,contact2,flow1,flow2 2n9p_C_,11,14,1,1 2n9p_C_,16,32,1,1 2n9p_C_,18,30,1,1 2n9p_C_,19,79,1,1 2n9p_C_,19,81,1,1 2n9p_C_,20,28,1,1 2n9p_C_,21,81,1,1 2n9p_C_,21,83,1,1 2n9p_C_,26,27,1,1 2n9p_C_,37,40,1,1 2n9p_C_,38,42,1,1 2n9p_C_,39,43,1,1 2n9p_C_,40,44,1,1 2n9p_C_,41,45,1,1 2n9p_C_,42,53,1,1 2n9p_C_,42,56,1,1 2n9p_C_,45,49,1,1 2n9p_C_,47,50,1,1 2n9p_C_,51,56,1,1 2n9p_C_,52,55,1,1 2n9p_C_,52,56,1,1 2n9p_C_,58,65,1,1 2n9p_C_,59,82,1,1 2n9p_C_,60,63,1,1 2n9p_C_,61,63,1,1 2n9p_C_,64,66,1,1 2n9p_C_,66,74,1,1 2n9p_C_,68,69,1,1 2n9p_C_,70,73,1,1 2n9p_C_,71,74,1,1 2n9p_C_,71,75,1,1 2n9p_C_,72,75,1,1 2n9p_C_,76,79,1,1 2n9p_C_,89,92,1,1 2n9p_C_,89,93,1,1 2n9p_C_,97,100,1,1