pair,contact1,contact2,flow1,flow2 1hav_B_,1,4,1,1 1hav_B_,1,5,1,1 1hav_B_,2,6,1,1 1hav_B_,3,7,1,1 1hav_B_,4,8,1,1 1hav_B_,5,9,1,1 1hav_B_,6,10,1,1 1hav_B_,7,11,1,1 1hav_B_,9,12,1,1 1hav_B_,10,13,1,1 1hav_B_,12,33,1,1 1hav_B_,12,97,1,1 1hav_B_,14,31,1,1 1hav_B_,15,60,1,1 1hav_B_,16,28,1,1 1hav_B_,16,29,1,1 1hav_B_,17,58,1,1 1hav_B_,18,26,1,1 1hav_B_,19,56,1,1 1hav_B_,20,58,1,1 1hav_B_,21,56,1,1 1hav_B_,21,67,1,1 1hav_B_,26,49,1,1 1hav_B_,30,122,1,1 1hav_B_,32,40,1,1 1hav_B_,34,38,1,1 1hav_B_,34,99,1,1 1hav_B_,35,38,1,1 1hav_B_,35,98,1,1 1hav_B_,36,96,1,1 1hav_B_,37,89,1,1 1hav_B_,37,90,1,1 1hav_B_,39,88,1,1 1hav_B_,41,86,1,1 1hav_B_,42,45,1,1 1hav_B_,43,46,1,1 1hav_B_,43,47,1,1 1hav_B_,43,82,1,1 1hav_B_,43,84,1,1 1hav_B_,47,83,1,1 1hav_B_,55,70,1,1 1hav_B_,56,67,1,1 1hav_B_,56,69,1,1 1hav_B_,57,68,1,1 1hav_B_,59,66,1,1 1hav_B_,60,63,1,1 1hav_B_,61,64,1,1 1hav_B_,67,92,1,1 1hav_B_,69,72,1,1 1hav_B_,74,89,1,1 1hav_B_,76,87,1,1 1hav_B_,76,210,1,1 1hav_B_,77,81,1,1 1hav_B_,84,85,1,1 1hav_B_,84,158,1,1 1hav_B_,84,201,1,1 1hav_B_,90,93,1,1 1hav_B_,98,100,1,1 1hav_B_,99,102,1,1 1hav_B_,100,103,1,1 1hav_B_,102,186,1,1 1hav_B_,103,205,1,1 1hav_B_,104,186,1,1 1hav_B_,104,205,1,1 1hav_B_,105,108,1,1 1hav_B_,106,109,1,1 1hav_B_,106,206,1,1 1hav_B_,108,111,1,1 1hav_B_,109,112,1,1 1hav_B_,109,113,1,1 1hav_B_,111,179,1,1 1hav_B_,114,135,1,1 1hav_B_,115,135,1,1 1hav_B_,116,178,1,1 1hav_B_,117,132,1,1 1hav_B_,118,176,1,1 1hav_B_,119,130,1,1 1hav_B_,120,174,1,1 1hav_B_,121,122,1,1 1hav_B_,121,128,1,1 1hav_B_,121,171,1,1 1hav_B_,123,126,1,1 1hav_B_,133,164,1,1 1hav_B_,136,162,1,1 1hav_B_,138,160,1,1 1hav_B_,138,162,1,1 1hav_B_,139,159,1,1 1hav_B_,141,157,1,1 1hav_B_,143,155,1,1 1hav_B_,145,153,1,1 1hav_B_,158,201,1,1 1hav_B_,159,202,1,1 1hav_B_,161,187,1,1 1hav_B_,161,200,1,1 1hav_B_,163,198,1,1 1hav_B_,165,196,1,1 1hav_B_,171,173,1,1 1hav_B_,172,190,1,1 1hav_B_,173,190,1,1 1hav_B_,175,187,1,1 1hav_B_,175,188,1,1 1hav_B_,177,179,1,1 1hav_B_,177,184,1,1 1hav_B_,177,185,1,1 1hav_B_,179,181,1,1 1hav_B_,179,182,1,1 1hav_B_,179,184,1,1 1hav_B_,180,183,1,1 1hav_B_,182,185,1,1 1hav_B_,187,203,1,1 1hav_B_,189,201,1,1 1hav_B_,191,199,1,1 1hav_B_,192,199,1,1 1hav_B_,194,197,1,1 1hav_B_,204,206,1,1 1hav_B_,204,207,1,1 1hav_B_,205,208,1,1 1hav_B_,206,209,1,1 1hav_B_,208,211,1,1 1hav_B_,211,213,1,1