pair,contact1,contact2,flow1,flow2 2r4s_H_,3,25,1,1 2r4s_H_,5,23,1,1 2r4s_H_,6,105,1,1 2r4s_H_,6,106,1,1 2r4s_H_,8,108,1,1 2r4s_H_,10,110,1,1 2r4s_H_,12,110,1,1 2r4s_H_,12,112,1,1 2r4s_H_,13,16,1,1 2r4s_H_,15,86,1,1 2r4s_H_,16,86,1,1 2r4s_H_,17,18,1,1 2r4s_H_,17,83,1,1 2r4s_H_,18,83,1,1 2r4s_H_,20,81,1,1 2r4s_H_,22,79,1,1 2r4s_H_,29,31,1,1 2r4s_H_,34,51,1,1 2r4s_H_,35,47,1,1 2r4s_H_,35,97,1,1 2r4s_H_,36,48,1,1 2r4s_H_,36,49,1,1 2r4s_H_,37,95,1,1 2r4s_H_,38,46,1,1 2r4s_H_,39,93,1,1 2r4s_H_,40,46,1,1 2r4s_H_,50,59,1,1 2r4s_H_,52,57,1,1 2r4s_H_,55,57,1,1 2r4s_H_,62,65,1,1 2r4s_H_,64,68,1,1 2r4s_H_,67,84,1,1 2r4s_H_,67,85,1,1 2r4s_H_,67,90,1,1 2r4s_H_,69,82,1,1 2r4s_H_,71,80,1,1 2r4s_H_,73,76,1,1 2r4s_H_,73,77,1,1 2r4s_H_,73,78,1,1 2r4s_H_,78,80,1,1 2r4s_H_,84,85,1,1 2r4s_H_,87,90,1,1 2r4s_H_,88,91,1,1 2r4s_H_,90,94,1,1 2r4s_H_,91,111,1,1 2r4s_H_,92,109,1,1 2r4s_H_,94,107,1,1 2r4s_H_,98,101,1,1 2r4s_H_,98,102,1,1 2r4s_H_,107,109,1,1 2r4s_H_,112,114,1,1 2r4s_H_,117,146,1,1 2r4s_H_,119,120,1,1 2r4s_H_,120,143,1,1 2r4s_H_,122,141,1,1 2r4s_H_,124,139,1,1 2r4s_H_,127,213,1,1 2r4s_H_,127,217,1,1 2r4s_H_,130,132,1,1 2r4s_H_,133,185,1,1 2r4s_H_,134,185,1,1 2r4s_H_,136,183,1,1 2r4s_H_,138,181,1,1 2r4s_H_,140,179,1,1 2r4s_H_,142,177,1,1 2r4s_H_,145,148,1,1 2r4s_H_,145,175,1,1 2r4s_H_,147,199,1,1 2r4s_H_,151,198,1,1 2r4s_H_,153,196,1,1 2r4s_H_,154,159,1,1 2r4s_H_,155,158,1,1 2r4s_H_,155,194,1,1 2r4s_H_,156,196,1,1 2r4s_H_,160,163,1,1 2r4s_H_,162,182,1,1 2r4s_H_,164,179,1,1 2r4s_H_,164,180,1,1 2r4s_H_,165,179,1,1 2r4s_H_,166,178,1,1 2r4s_H_,169,176,1,1 2r4s_H_,184,187,1,1 2r4s_H_,187,191,1,1 2r4s_H_,188,210,1,1 2r4s_H_,193,210,1,1 2r4s_H_,195,208,1,1 2r4s_H_,197,206,1,1 2r4s_H_,199,202,1,1 2r4s_H_,199,204,1,1 2r4s_H_,200,203,1,1 2r4s_H_,202,204,1,1