pair,contact1,contact2,flow1,flow2 2n1b_A_,1,4,1,1 2n1b_A_,2,4,1,1 2n1b_A_,9,60,1,1 2n1b_A_,10,62,1,1 2n1b_A_,11,60,1,1 2n1b_A_,11,62,1,1 2n1b_A_,12,84,1,1 2n1b_A_,12,85,1,1 2n1b_A_,13,62,1,1 2n1b_A_,13,64,1,1 2n1b_A_,14,85,1,1 2n1b_A_,14,87,1,1 2n1b_A_,15,23,1,1 2n1b_A_,15,79,1,1 2n1b_A_,16,87,1,1 2n1b_A_,16,89,1,1 2n1b_A_,17,70,1,1 2n1b_A_,18,21,1,1 2n1b_A_,18,104,1,1 2n1b_A_,20,123,1,1 2n1b_A_,21,23,1,1 2n1b_A_,22,26,1,1 2n1b_A_,23,27,1,1 2n1b_A_,24,28,1,1 2n1b_A_,24,65,1,1 2n1b_A_,25,29,1,1 2n1b_A_,26,29,1,1 2n1b_A_,27,30,1,1 2n1b_A_,29,151,1,1 2n1b_A_,29,152,1,1 2n1b_A_,29,183,1,1 2n1b_A_,30,33,1,1 2n1b_A_,30,34,1,1 2n1b_A_,30,51,1,1 2n1b_A_,31,35,1,1 2n1b_A_,31,181,1,1 2n1b_A_,32,36,1,1 2n1b_A_,33,48,1,1 2n1b_A_,34,37,1,1 2n1b_A_,38,47,1,1 2n1b_A_,40,44,1,1 2n1b_A_,40,45,1,1 2n1b_A_,44,67,1,1 2n1b_A_,46,48,1,1 2n1b_A_,46,65,1,1 2n1b_A_,48,63,1,1 2n1b_A_,50,61,1,1 2n1b_A_,52,59,1,1 2n1b_A_,53,178,1,1 2n1b_A_,54,57,1,1 2n1b_A_,55,175,1,1 2n1b_A_,56,171,1,1 2n1b_A_,66,68,1,1 2n1b_A_,68,72,1,1 2n1b_A_,69,73,1,1 2n1b_A_,69,76,1,1 2n1b_A_,76,79,1,1 2n1b_A_,77,81,1,1 2n1b_A_,77,110,1,1 2n1b_A_,78,81,1,1 2n1b_A_,80,112,1,1 2n1b_A_,82,84,1,1 2n1b_A_,86,116,1,1 2n1b_A_,86,118,1,1 2n1b_A_,88,118,1,1 2n1b_A_,88,120,1,1 2n1b_A_,90,120,1,1 2n1b_A_,90,122,1,1 2n1b_A_,91,93,1,1 2n1b_A_,91,94,1,1 2n1b_A_,91,123,1,1 2n1b_A_,92,122,1,1 2n1b_A_,92,131,1,1 2n1b_A_,94,97,1,1 2n1b_A_,94,98,1,1 2n1b_A_,95,99,1,1 2n1b_A_,96,100,1,1 2n1b_A_,97,100,1,1 2n1b_A_,97,101,1,1 2n1b_A_,98,101,1,1 2n1b_A_,98,137,1,1 2n1b_A_,98,138,1,1 2n1b_A_,100,103,1,1 2n1b_A_,100,104,1,1 2n1b_A_,101,105,1,1 2n1b_A_,102,106,1,1 2n1b_A_,103,106,1,1 2n1b_A_,103,107,1,1 2n1b_A_,104,108,1,1 2n1b_A_,105,109,1,1 2n1b_A_,106,110,1,1 2n1b_A_,107,111,1,1 2n1b_A_,108,111,1,1 2n1b_A_,108,112,1,1 2n1b_A_,119,147,1,1 2n1b_A_,121,147,1,1 2n1b_A_,121,149,1,1 2n1b_A_,122,123,1,1 2n1b_A_,122,151,1,1 2n1b_A_,123,126,1,1 2n1b_A_,127,129,1,1 2n1b_A_,128,130,1,1 2n1b_A_,129,131,1,1 2n1b_A_,129,132,1,1 2n1b_A_,132,135,1,1 2n1b_A_,132,136,1,1 2n1b_A_,133,136,1,1 2n1b_A_,134,213,1,1 2n1b_A_,137,141,1,1 2n1b_A_,138,142,1,1 2n1b_A_,139,144,1,1 2n1b_A_,140,143,1,1 2n1b_A_,141,211,1,1 2n1b_A_,150,153,1,1 2n1b_A_,150,155,1,1 2n1b_A_,151,154,1,1 2n1b_A_,152,186,1,1 2n1b_A_,152,187,1,1 2n1b_A_,155,198,1,1 2n1b_A_,156,159,1,1 2n1b_A_,158,162,1,1 2n1b_A_,159,163,1,1 2n1b_A_,160,164,1,1 2n1b_A_,161,165,1,1 2n1b_A_,162,166,1,1 2n1b_A_,163,167,1,1 2n1b_A_,164,168,1,1 2n1b_A_,165,169,1,1 2n1b_A_,166,170,1,1 2n1b_A_,166,171,1,1 2n1b_A_,166,174,1,1 2n1b_A_,171,173,1,1 2n1b_A_,171,174,1,1 2n1b_A_,190,193,1,1 2n1b_A_,190,194,1,1 2n1b_A_,191,195,1,1 2n1b_A_,192,196,1,1 2n1b_A_,193,197,1,1 2n1b_A_,194,198,1,1 2n1b_A_,195,199,1,1 2n1b_A_,196,200,1,1 2n1b_A_,197,201,1,1 2n1b_A_,198,202,1,1 2n1b_A_,199,203,1,1 2n1b_A_,200,204,1,1 2n1b_A_,201,205,1,1 2n1b_A_,202,206,1,1 2n1b_A_,203,207,1,1 2n1b_A_,204,207,1,1 2n1b_A_,207,209,1,1