pair,contact1,contact2,flow1,flow2 8iwh_D_,2,5,1,1 8iwh_D_,2,6,1,1 8iwh_D_,3,7,1,1 8iwh_D_,4,8,1,1 8iwh_D_,5,9,1,1 8iwh_D_,6,10,1,1 8iwh_D_,7,11,1,1 8iwh_D_,8,12,1,1 8iwh_D_,8,21,1,1 8iwh_D_,10,15,1,1 8iwh_D_,11,20,1,1 8iwh_D_,18,117,1,1 8iwh_D_,21,120,1,1 8iwh_D_,22,26,1,1 8iwh_D_,22,120,1,1 8iwh_D_,23,27,1,1 8iwh_D_,25,29,1,1 8iwh_D_,26,29,1,1 8iwh_D_,26,30,1,1 8iwh_D_,27,31,1,1 8iwh_D_,28,32,1,1 8iwh_D_,29,33,1,1 8iwh_D_,30,34,1,1 8iwh_D_,31,35,1,1 8iwh_D_,32,36,1,1 8iwh_D_,33,37,1,1 8iwh_D_,34,38,1,1 8iwh_D_,35,39,1,1 8iwh_D_,36,40,1,1 8iwh_D_,37,40,1,1 8iwh_D_,37,41,1,1 8iwh_D_,37,162,1,1 8iwh_D_,38,41,1,1 8iwh_D_,38,42,1,1 8iwh_D_,42,57,1,1 8iwh_D_,45,58,1,1 8iwh_D_,46,50,1,1 8iwh_D_,46,51,1,1 8iwh_D_,46,52,1,1 8iwh_D_,46,54,1,1 8iwh_D_,46,68,1,1 8iwh_D_,49,50,1,1 8iwh_D_,53,60,1,1 8iwh_D_,54,58,1,1 8iwh_D_,54,66,1,1 8iwh_D_,55,58,1,1 8iwh_D_,55,59,1,1 8iwh_D_,55,60,1,1 8iwh_D_,61,63,1,1 8iwh_D_,61,64,1,1 8iwh_D_,61,65,1,1 8iwh_D_,67,162,1,1 8iwh_D_,69,157,1,1 8iwh_D_,71,74,1,1 8iwh_D_,72,155,1,1 8iwh_D_,75,156,1,1 8iwh_D_,76,150,1,1 8iwh_D_,77,79,1,1 8iwh_D_,77,85,1,1 8iwh_D_,77,156,1,1 8iwh_D_,79,93,1,1 8iwh_D_,80,83,1,1 8iwh_D_,81,88,1,1 8iwh_D_,83,87,1,1 8iwh_D_,84,87,1,1 8iwh_D_,89,93,1,1 8iwh_D_,90,94,1,1 8iwh_D_,91,95,1,1 8iwh_D_,92,95,1,1 8iwh_D_,92,96,1,1 8iwh_D_,93,98,1,1 8iwh_D_,98,102,1,1 8iwh_D_,99,103,1,1 8iwh_D_,100,104,1,1 8iwh_D_,100,160,1,1 8iwh_D_,101,105,1,1 8iwh_D_,102,106,1,1 8iwh_D_,103,107,1,1 8iwh_D_,104,108,1,1 8iwh_D_,106,110,1,1 8iwh_D_,107,111,1,1 8iwh_D_,108,112,1,1 8iwh_D_,109,113,1,1 8iwh_D_,110,114,1,1 8iwh_D_,111,115,1,1 8iwh_D_,112,116,1,1 8iwh_D_,113,117,1,1 8iwh_D_,114,118,1,1 8iwh_D_,115,119,1,1 8iwh_D_,115,132,1,1 8iwh_D_,116,120,1,1 8iwh_D_,117,121,1,1 8iwh_D_,118,122,1,1 8iwh_D_,119,123,1,1 8iwh_D_,120,124,1,1 8iwh_D_,121,125,1,1 8iwh_D_,122,127,1,1 8iwh_D_,123,126,1,1 8iwh_D_,131,135,1,1 8iwh_D_,132,136,1,1 8iwh_D_,133,136,1,1 8iwh_D_,133,137,1,1 8iwh_D_,135,139,1,1 8iwh_D_,136,140,1,1 8iwh_D_,137,141,1,1 8iwh_D_,138,142,1,1 8iwh_D_,139,143,1,1 8iwh_D_,140,144,1,1 8iwh_D_,141,145,1,1 8iwh_D_,142,146,1,1 8iwh_D_,143,147,1,1 8iwh_D_,143,148,1,1 8iwh_D_,144,148,1,1 8iwh_D_,144,149,1,1 8iwh_D_,144,272,1,1 8iwh_D_,145,149,1,1 8iwh_D_,147,151,1,1 8iwh_D_,148,152,1,1 8iwh_D_,149,178,1,1 8iwh_D_,150,153,1,1 8iwh_D_,153,281,1,1 8iwh_D_,155,157,1,1 8iwh_D_,156,159,1,1 8iwh_D_,161,163,1,1 8iwh_D_,165,169,1,1 8iwh_D_,166,170,1,1 8iwh_D_,167,171,1,1 8iwh_D_,168,172,1,1 8iwh_D_,169,173,1,1 8iwh_D_,169,322,1,1 8iwh_D_,170,174,1,1 8iwh_D_,171,175,1,1 8iwh_D_,172,176,1,1 8iwh_D_,173,177,1,1 8iwh_D_,174,178,1,1 8iwh_D_,175,179,1,1 8iwh_D_,175,181,1,1 8iwh_D_,175,311,1,1 8iwh_D_,179,182,1,1 8iwh_D_,179,285,1,1 8iwh_D_,180,183,1,1 8iwh_D_,185,189,1,1 8iwh_D_,186,190,1,1 8iwh_D_,187,191,1,1 8iwh_D_,188,192,1,1 8iwh_D_,189,193,1,1 8iwh_D_,190,194,1,1 8iwh_D_,191,195,1,1 8iwh_D_,192,196,1,1 8iwh_D_,193,197,1,1 8iwh_D_,194,198,1,1 8iwh_D_,195,199,1,1 8iwh_D_,196,200,1,1 8iwh_D_,197,201,1,1 8iwh_D_,198,202,1,1 8iwh_D_,199,203,1,1 8iwh_D_,200,204,1,1 8iwh_D_,201,205,1,1 8iwh_D_,202,206,1,1 8iwh_D_,203,207,1,1 8iwh_D_,204,208,1,1 8iwh_D_,205,209,1,1 8iwh_D_,206,210,1,1 8iwh_D_,206,242,1,1 8iwh_D_,207,210,1,1 8iwh_D_,210,234,1,1 8iwh_D_,212,232,1,1 8iwh_D_,226,227,1,1 8iwh_D_,231,232,1,1 8iwh_D_,234,237,1,1 8iwh_D_,234,238,1,1 8iwh_D_,235,239,1,1 8iwh_D_,236,240,1,1 8iwh_D_,237,241,1,1 8iwh_D_,238,242,1,1 8iwh_D_,239,243,1,1 8iwh_D_,240,243,1,1 8iwh_D_,240,244,1,1 8iwh_D_,241,245,1,1 8iwh_D_,242,246,1,1 8iwh_D_,252,254,1,1 8iwh_D_,252,255,1,1 8iwh_D_,253,257,1,1 8iwh_D_,254,258,1,1 8iwh_D_,255,259,1,1 8iwh_D_,256,260,1,1 8iwh_D_,257,261,1,1 8iwh_D_,258,262,1,1 8iwh_D_,259,263,1,1 8iwh_D_,262,266,1,1 8iwh_D_,263,267,1,1 8iwh_D_,264,268,1,1 8iwh_D_,265,269,1,1 8iwh_D_,266,270,1,1 8iwh_D_,267,270,1,1 8iwh_D_,267,271,1,1 8iwh_D_,268,271,1,1 8iwh_D_,268,272,1,1 8iwh_D_,271,275,1,1 8iwh_D_,272,276,1,1 8iwh_D_,273,277,1,1 8iwh_D_,274,278,1,1 8iwh_D_,275,279,1,1 8iwh_D_,276,279,1,1 8iwh_D_,277,280,1,1 8iwh_D_,277,282,1,1 8iwh_D_,278,281,1,1 8iwh_D_,285,315,1,1 8iwh_D_,287,291,1,1 8iwh_D_,287,304,1,1 8iwh_D_,288,292,1,1 8iwh_D_,289,293,1,1 8iwh_D_,290,294,1,1 8iwh_D_,290,302,1,1 8iwh_D_,291,295,1,1 8iwh_D_,291,304,1,1 8iwh_D_,292,296,1,1 8iwh_D_,293,297,1,1 8iwh_D_,297,300,1,1 8iwh_D_,302,304,1,1 8iwh_D_,302,305,1,1 8iwh_D_,303,307,1,1 8iwh_D_,304,308,1,1 8iwh_D_,305,309,1,1 8iwh_D_,306,310,1,1 8iwh_D_,307,311,1,1 8iwh_D_,308,312,1,1 8iwh_D_,309,313,1,1 8iwh_D_,310,314,1,1 8iwh_D_,311,315,1,1 8iwh_D_,312,316,1,1 8iwh_D_,313,317,1,1 8iwh_D_,314,318,1,1 8iwh_D_,315,318,1,1 8iwh_D_,315,319,1,1 8iwh_D_,317,336,1,1 8iwh_D_,318,322,1,1 8iwh_D_,319,323,1,1 8iwh_D_,323,326,1,1 8iwh_D_,331,334,1,1 8iwh_D_,337,341,1,1