pair,contact1,contact2,flow1,flow2 2dn8_A_,4,5,1,1 2dn8_A_,18,84,1,1 2dn8_A_,20,82,1,1 2dn8_A_,21,78,1,1 2dn8_A_,22,78,1,1 2dn8_A_,22,79,1,1 2dn8_A_,26,75,1,1 2dn8_A_,27,49,1,1 2dn8_A_,30,47,1,1 2dn8_A_,32,44,1,1 2dn8_A_,32,45,1,1 2dn8_A_,34,37,1,1 2dn8_A_,37,65,1,1 2dn8_A_,39,63,1,1 2dn8_A_,40,43,1,1 2dn8_A_,43,59,1,1 2dn8_A_,45,57,1,1 2dn8_A_,46,57,1,1 2dn8_A_,48,55,1,1 2dn8_A_,50,53,1,1 2dn8_A_,64,85,1,1 2dn8_A_,69,81,1,1 2dn8_A_,93,95,1,1