pair,contact1,contact2,flow1,flow2 7n28_C_,3,5,1,1 7n28_C_,3,25,1,1 7n28_C_,5,23,1,1 7n28_C_,6,117,1,1 7n28_C_,7,117,1,1 7n28_C_,10,118,1,1 7n28_C_,10,120,1,1 7n28_C_,12,120,1,1 7n28_C_,12,122,1,1 7n28_C_,13,16,1,1 7n28_C_,17,87,1,1 7n28_C_,18,87,1,1 7n28_C_,19,86,1,1 7n28_C_,20,85,1,1 7n28_C_,21,23,1,1 7n28_C_,22,83,1,1 7n28_C_,24,81,1,1 7n28_C_,25,27,1,1 7n28_C_,28,30,1,1 7n28_C_,30,54,1,1 7n28_C_,34,51,1,1 7n28_C_,35,101,1,1 7n28_C_,36,48,1,1 7n28_C_,36,49,1,1 7n28_C_,37,99,1,1 7n28_C_,38,46,1,1 7n28_C_,39,97,1,1 7n28_C_,40,43,1,1 7n28_C_,47,49,1,1 7n28_C_,50,59,1,1 7n28_C_,52,54,1,1 7n28_C_,52,56,1,1 7n28_C_,52,57,1,1 7n28_C_,62,65,1,1 7n28_C_,67,69,1,1 7n28_C_,69,86,1,1 7n28_C_,71,72,1,1 7n28_C_,71,84,1,1 7n28_C_,73,82,1,1 7n28_C_,79,80,1,1 7n28_C_,85,87,1,1 7n28_C_,96,119,1,1 7n28_C_,98,117,1,1 7n28_C_,102,111,1,1 7n28_C_,102,112,1,1 7n28_C_,104,109,1,1 7n28_C_,105,107,1,1 7n28_C_,105,108,1,1 7n28_C_,105,109,1,1 7n28_C_,111,112,1,1 7n28_C_,122,123,1,1 7n28_C_,122,177,1,1 7n28_C_,125,126,1,1 7n28_C_,126,149,1,1 7n28_C_,127,128,1,1 7n28_C_,127,149,1,1 7n28_C_,130,146,1,1 7n28_C_,132,144,1,1 7n28_C_,134,142,1,1 7n28_C_,136,137,1,1 7n28_C_,138,189,1,1 7n28_C_,143,183,1,1 7n28_C_,145,181,1,1 7n28_C_,147,176,1,1 7n28_C_,148,179,1,1 7n28_C_,156,200,1,1 7n28_C_,157,160,1,1 7n28_C_,157,162,1,1 7n28_C_,158,161,1,1 7n28_C_,158,198,1,1 7n28_C_,159,200,1,1 7n28_C_,165,186,1,1 7n28_C_,167,184,1,1 7n28_C_,168,169,1,1 7n28_C_,168,182,1,1 7n28_C_,172,180,1,1 7n28_C_,174,177,1,1 7n28_C_,174,178,1,1 7n28_C_,188,191,1,1 7n28_C_,195,196,1,1 7n28_C_,199,212,1,1 7n28_C_,201,210,1,1 7n28_C_,203,206,1,1 7n28_C_,203,208,1,1 7n28_C_,203,209,1,1 7n28_C_,204,207,1,1 7n28_C_,206,208,1,1 7n28_C_,210,212,1,1