pair,contact1,contact2,flow1,flow2
3i4n_D_,2,4,1,1
3i4n_D_,4,5,1,1
3i4n_D_,7,8,1,1
3i4n_D_,7,32,1,1
3i4n_D_,13,15,1,1
3i4n_D_,14,16,1,1
3i4n_D_,15,17,1,1
3i4n_D_,17,20,1,1
3i4n_D_,24,28,1,1
3i4n_D_,30,33,1,1
3i4n_D_,31,34,1,1
3i4n_D_,35,47,1,1
3i4n_D_,37,45,1,1
3i4n_D_,39,42,1,1
3i4n_D_,51,55,1,1
3i4n_D_,51,138,1,1
3i4n_D_,52,53,1,1
3i4n_D_,52,54,1,1
3i4n_D_,53,57,1,1
3i4n_D_,55,59,1,1
3i4n_D_,56,60,1,1
3i4n_D_,57,61,1,1
3i4n_D_,58,62,1,1
3i4n_D_,59,63,1,1
3i4n_D_,60,83,1,1
3i4n_D_,61,64,1,1
3i4n_D_,61,65,1,1
3i4n_D_,63,94,1,1
3i4n_D_,64,67,1,1
3i4n_D_,65,68,1,1
3i4n_D_,66,94,1,1
3i4n_D_,68,71,1,1
3i4n_D_,70,74,1,1
3i4n_D_,71,74,1,1
3i4n_D_,79,82,1,1
3i4n_D_,80,84,1,1
3i4n_D_,82,85,1,1
3i4n_D_,82,86,1,1
3i4n_D_,83,86,1,1
3i4n_D_,83,87,1,1
3i4n_D_,83,110,1,1
3i4n_D_,86,89,1,1
3i4n_D_,86,90,1,1
3i4n_D_,87,91,1,1
3i4n_D_,88,92,1,1
3i4n_D_,90,94,1,1
3i4n_D_,91,93,1,1
3i4n_D_,91,95,1,1
3i4n_D_,99,102,1,1
3i4n_D_,100,104,1,1
3i4n_D_,101,105,1,1
3i4n_D_,102,106,1,1
3i4n_D_,103,106,1,1
3i4n_D_,103,107,1,1
3i4n_D_,104,108,1,1
3i4n_D_,105,109,1,1
3i4n_D_,106,110,1,1
3i4n_D_,107,110,1,1
3i4n_D_,107,111,1,1
3i4n_D_,108,112,1,1
3i4n_D_,110,113,1,1
3i4n_D_,114,142,1,1
3i4n_D_,114,179,1,1
3i4n_D_,116,181,1,1
3i4n_D_,117,120,1,1
3i4n_D_,117,121,1,1
3i4n_D_,118,122,1,1
3i4n_D_,119,123,1,1
3i4n_D_,120,124,1,1
3i4n_D_,121,125,1,1
3i4n_D_,122,126,1,1
3i4n_D_,123,127,1,1
3i4n_D_,124,128,1,1
3i4n_D_,126,130,1,1
3i4n_D_,128,130,1,1
3i4n_D_,128,131,1,1
3i4n_D_,134,137,1,1
3i4n_D_,134,138,1,1
3i4n_D_,135,139,1,1
3i4n_D_,136,140,1,1
3i4n_D_,137,141,1,1
3i4n_D_,137,158,1,1
3i4n_D_,139,142,1,1
3i4n_D_,139,143,1,1
3i4n_D_,140,144,1,1
3i4n_D_,144,146,1,1
3i4n_D_,147,151,1,1
3i4n_D_,148,152,1,1
3i4n_D_,149,153,1,1
3i4n_D_,150,154,1,1
3i4n_D_,151,155,1,1
3i4n_D_,152,156,1,1
3i4n_D_,153,160,1,1
3i4n_D_,156,159,1,1
3i4n_D_,157,160,1,1
3i4n_D_,159,161,1,1
3i4n_D_,159,162,1,1
3i4n_D_,164,167,1,1
3i4n_D_,164,168,1,1
3i4n_D_,166,170,1,1
3i4n_D_,167,171,1,1
3i4n_D_,168,172,1,1
3i4n_D_,169,173,1,1
3i4n_D_,170,174,1,1
3i4n_D_,171,175,1,1
3i4n_D_,172,176,1,1
3i4n_D_,173,176,1,1
3i4n_D_,173,177,1,1
3i4n_D_,174,177,1,1
3i4n_D_,174,178,1,1