pair,contact1,contact2,flow1,flow2 2xnd_D_,1,20,1,1 2xnd_D_,1,69,1,1 2xnd_D_,3,67,1,1 2xnd_D_,4,16,1,1 2xnd_D_,5,64,1,1 2xnd_D_,5,65,1,1 2xnd_D_,6,14,1,1 2xnd_D_,7,14,1,1 2xnd_D_,9,12,1,1 2xnd_D_,10,58,1,1 2xnd_D_,11,54,1,1 2xnd_D_,13,52,1,1 2xnd_D_,14,51,1,1 2xnd_D_,15,50,1,1 2xnd_D_,17,48,1,1 2xnd_D_,22,44,1,1 2xnd_D_,25,41,1,1 2xnd_D_,26,41,1,1 2xnd_D_,27,70,1,1 2xnd_D_,27,72,1,1 2xnd_D_,28,39,1,1 2xnd_D_,29,31,1,1 2xnd_D_,29,36,1,1 2xnd_D_,29,68,1,1 2xnd_D_,30,37,1,1 2xnd_D_,31,65,1,1 2xnd_D_,31,66,1,1 2xnd_D_,33,59,1,1 2xnd_D_,36,92,1,1 2xnd_D_,38,55,1,1 2xnd_D_,40,53,1,1 2xnd_D_,40,109,1,1 2xnd_D_,40,223,1,1 2xnd_D_,42,51,1,1 2xnd_D_,43,51,1,1 2xnd_D_,43,264,1,1 2xnd_D_,45,49,1,1 2xnd_D_,46,49,1,1 2xnd_D_,47,49,1,1 2xnd_D_,51,264,1,1 2xnd_D_,56,57,1,1 2xnd_D_,62,65,1,1 2xnd_D_,70,72,1,1 2xnd_D_,74,108,1,1 2xnd_D_,76,106,1,1 2xnd_D_,78,104,1,1 2xnd_D_,79,82,1,1 2xnd_D_,80,83,1,1 2xnd_D_,82,85,1,1 2xnd_D_,84,207,1,1 2xnd_D_,85,95,1,1 2xnd_D_,85,98,1,1 2xnd_D_,85,99,1,1 2xnd_D_,85,209,1,1 2xnd_D_,86,94,1,1 2xnd_D_,86,95,1,1 2xnd_D_,87,209,1,1 2xnd_D_,87,211,1,1 2xnd_D_,88,91,1,1 2xnd_D_,88,92,1,1 2xnd_D_,89,227,1,1 2xnd_D_,100,102,1,1 2xnd_D_,102,104,1,1 2xnd_D_,104,234,1,1 2xnd_D_,108,287,1,1 2xnd_D_,114,117,1,1 2xnd_D_,115,118,1,1 2xnd_D_,117,292,1,1 2xnd_D_,123,140,1,1 2xnd_D_,125,138,1,1 2xnd_D_,127,129,1,1 2xnd_D_,127,133,1,1 2xnd_D_,127,164,1,1 2xnd_D_,128,133,1,1 2xnd_D_,128,408,1,1 2xnd_D_,128,424,1,1 2xnd_D_,129,133,1,1 2xnd_D_,130,134,1,1 2xnd_D_,130,405,1,1 2xnd_D_,130,407,1,1 2xnd_D_,130,408,1,1 2xnd_D_,130,452,1,1 2xnd_D_,131,135,1,1 2xnd_D_,132,136,1,1 2xnd_D_,137,347,1,1 2xnd_D_,138,325,1,1 2xnd_D_,139,142,1,1 2xnd_D_,141,290,1,1 2xnd_D_,141,297,1,1 2xnd_D_,142,298,1,1 2xnd_D_,143,285,1,1 2xnd_D_,143,288,1,1 2xnd_D_,143,322,1,1 2xnd_D_,143,323,1,1 2xnd_D_,144,298,1,1 2xnd_D_,144,300,1,1 2xnd_D_,145,323,1,1 2xnd_D_,145,325,1,1 2xnd_D_,146,300,1,1 2xnd_D_,146,302,1,1 2xnd_D_,147,325,1,1 2xnd_D_,147,327,1,1 2xnd_D_,148,154,1,1 2xnd_D_,148,304,1,1 2xnd_D_,149,154,1,1 2xnd_D_,150,329,1,1 2xnd_D_,153,157,1,1 2xnd_D_,154,158,1,1 2xnd_D_,155,159,1,1 2xnd_D_,155,248,1,1 2xnd_D_,156,160,1,1 2xnd_D_,157,161,1,1 2xnd_D_,158,162,1,1 2xnd_D_,159,163,1,1 2xnd_D_,160,164,1,1 2xnd_D_,160,411,1,1 2xnd_D_,160,412,1,1 2xnd_D_,161,165,1,1 2xnd_D_,162,167,1,1 2xnd_D_,163,167,1,1 2xnd_D_,166,169,1,1 2xnd_D_,170,206,1,1 2xnd_D_,172,242,1,1 2xnd_D_,172,244,1,1 2xnd_D_,173,206,1,1 2xnd_D_,173,208,1,1 2xnd_D_,174,244,1,1 2xnd_D_,174,246,1,1 2xnd_D_,175,208,1,1 2xnd_D_,175,210,1,1 2xnd_D_,176,246,1,1 2xnd_D_,176,248,1,1 2xnd_D_,177,210,1,1 2xnd_D_,177,212,1,1 2xnd_D_,178,248,1,1 2xnd_D_,178,249,1,1 2xnd_D_,179,212,1,1 2xnd_D_,180,213,1,1 2xnd_D_,180,214,1,1 2xnd_D_,180,252,1,1 2xnd_D_,181,185,1,1 2xnd_D_,181,213,1,1 2xnd_D_,182,186,1,1 2xnd_D_,183,187,1,1 2xnd_D_,184,188,1,1 2xnd_D_,185,189,1,1 2xnd_D_,186,190,1,1 2xnd_D_,187,191,1,1 2xnd_D_,189,193,1,1 2xnd_D_,190,194,1,1 2xnd_D_,191,195,1,1 2xnd_D_,192,198,1,1 2xnd_D_,197,206,1,1 2xnd_D_,199,201,1,1 2xnd_D_,199,202,1,1 2xnd_D_,199,205,1,1 2xnd_D_,202,204,1,1 2xnd_D_,213,216,1,1 2xnd_D_,216,221,1,1 2xnd_D_,217,220,1,1 2xnd_D_,217,221,1,1 2xnd_D_,218,222,1,1 2xnd_D_,220,223,1,1 2xnd_D_,220,224,1,1 2xnd_D_,221,259,1,1 2xnd_D_,222,223,1,1 2xnd_D_,223,226,1,1 2xnd_D_,223,227,1,1 2xnd_D_,224,228,1,1 2xnd_D_,225,229,1,1 2xnd_D_,226,230,1,1 2xnd_D_,227,231,1,1 2xnd_D_,228,232,1,1 2xnd_D_,229,233,1,1 2xnd_D_,230,234,1,1 2xnd_D_,231,235,1,1 2xnd_D_,232,236,1,1 2xnd_D_,233,237,1,1 2xnd_D_,233,287,1,1 2xnd_D_,234,238,1,1 2xnd_D_,236,289,1,1 2xnd_D_,239,241,1,1 2xnd_D_,243,295,1,1 2xnd_D_,243,297,1,1 2xnd_D_,245,297,1,1 2xnd_D_,245,299,1,1 2xnd_D_,247,299,1,1 2xnd_D_,247,301,1,1 2xnd_D_,249,251,1,1 2xnd_D_,249,252,1,1 2xnd_D_,249,303,1,1 2xnd_D_,250,301,1,1 2xnd_D_,251,254,1,1 2xnd_D_,251,255,1,1 2xnd_D_,252,255,1,1 2xnd_D_,252,256,1,1 2xnd_D_,253,257,1,1 2xnd_D_,254,258,1,1 2xnd_D_,254,274,1,1 2xnd_D_,255,258,1,1 2xnd_D_,255,259,1,1 2xnd_D_,258,261,1,1 2xnd_D_,260,264,1,1 2xnd_D_,261,264,1,1 2xnd_D_,261,266,1,1 2xnd_D_,262,265,1,1 2xnd_D_,269,270,1,1 2xnd_D_,269,273,1,1 2xnd_D_,270,273,1,1 2xnd_D_,273,311,1,1 2xnd_D_,276,279,1,1 2xnd_D_,276,280,1,1 2xnd_D_,277,281,1,1 2xnd_D_,278,282,1,1 2xnd_D_,279,283,1,1 2xnd_D_,280,283,1,1 2xnd_D_,281,284,1,1 2xnd_D_,281,285,1,1 2xnd_D_,282,286,1,1 2xnd_D_,284,287,1,1 2xnd_D_,285,288,1,1 2xnd_D_,285,300,1,1 2xnd_D_,289,290,1,1 2xnd_D_,290,296,1,1 2xnd_D_,291,293,1,1 2xnd_D_,291,294,1,1 2xnd_D_,305,308,1,1 2xnd_D_,307,329,1,1 2xnd_D_,308,310,1,1 2xnd_D_,308,311,1,1 2xnd_D_,311,315,1,1 2xnd_D_,312,316,1,1 2xnd_D_,313,317,1,1 2xnd_D_,317,320,1,1 2xnd_D_,322,348,1,1 2xnd_D_,324,346,1,1 2xnd_D_,326,341,1,1 2xnd_D_,328,331,1,1 2xnd_D_,328,332,1,1 2xnd_D_,328,339,1,1 2xnd_D_,329,333,1,1 2xnd_D_,331,334,1,1 2xnd_D_,332,335,1,1 2xnd_D_,335,450,1,1 2xnd_D_,337,408,1,1 2xnd_D_,341,343,1,1 2xnd_D_,341,344,1,1 2xnd_D_,341,345,1,1 2xnd_D_,347,349,1,1 2xnd_D_,351,353,1,1 2xnd_D_,351,354,1,1 2xnd_D_,351,355,1,1 2xnd_D_,352,356,1,1 2xnd_D_,356,360,1,1 2xnd_D_,357,361,1,1 2xnd_D_,358,362,1,1 2xnd_D_,358,434,1,1 2xnd_D_,359,363,1,1 2xnd_D_,360,364,1,1 2xnd_D_,361,364,1,1 2xnd_D_,361,365,1,1 2xnd_D_,362,366,1,1 2xnd_D_,363,367,1,1 2xnd_D_,364,368,1,1 2xnd_D_,365,369,1,1 2xnd_D_,366,370,1,1 2xnd_D_,367,371,1,1 2xnd_D_,368,372,1,1 2xnd_D_,369,373,1,1 2xnd_D_,370,374,1,1 2xnd_D_,371,375,1,1 2xnd_D_,372,376,1,1 2xnd_D_,373,376,1,1 2xnd_D_,373,377,1,1 2xnd_D_,373,400,1,1 2xnd_D_,376,379,1,1 2xnd_D_,376,380,1,1 2xnd_D_,377,381,1,1 2xnd_D_,379,383,1,1 2xnd_D_,385,388,1,1 2xnd_D_,385,393,1,1 2xnd_D_,389,392,1,1 2xnd_D_,389,393,1,1 2xnd_D_,392,395,1,1 2xnd_D_,392,396,1,1 2xnd_D_,393,397,1,1 2xnd_D_,394,397,1,1 2xnd_D_,394,398,1,1 2xnd_D_,395,399,1,1 2xnd_D_,396,400,1,1 2xnd_D_,398,401,1,1 2xnd_D_,398,402,1,1 2xnd_D_,398,442,1,1 2xnd_D_,399,403,1,1 2xnd_D_,400,404,1,1 2xnd_D_,400,446,1,1 2xnd_D_,401,405,1,1 2xnd_D_,401,444,1,1 2xnd_D_,402,406,1,1 2xnd_D_,404,407,1,1 2xnd_D_,407,451,1,1 2xnd_D_,408,422,1,1 2xnd_D_,409,422,1,1 2xnd_D_,413,416,1,1 2xnd_D_,413,417,1,1 2xnd_D_,414,418,1,1 2xnd_D_,417,419,1,1 2xnd_D_,420,422,1,1 2xnd_D_,425,429,1,1 2xnd_D_,426,429,1,1 2xnd_D_,426,430,1,1 2xnd_D_,427,431,1,1 2xnd_D_,428,432,1,1 2xnd_D_,429,433,1,1 2xnd_D_,430,434,1,1 2xnd_D_,431,435,1,1 2xnd_D_,431,456,1,1 2xnd_D_,433,437,1,1 2xnd_D_,434,438,1,1 2xnd_D_,435,439,1,1 2xnd_D_,435,440,1,1 2xnd_D_,436,439,1,1 2xnd_D_,439,442,1,1 2xnd_D_,441,444,1,1 2xnd_D_,445,448,1,1 2xnd_D_,446,449,1,1 2xnd_D_,447,461,1,1 2xnd_D_,450,461,1,1 2xnd_D_,453,457,1,1 2xnd_D_,454,457,1,1 2xnd_D_,455,458,1,1 2xnd_D_,455,459,1,1 2xnd_D_,456,460,1,1 2xnd_D_,457,461,1,1 2xnd_D_,459,463,1,1 2xnd_D_,460,464,1,1 2xnd_D_,461,465,1,1 2xnd_D_,462,466,1,1