pair,contact1,contact2,flow1,flow2 2k4m_A_,6,8,1,1 2k4m_A_,9,11,1,1 2k4m_A_,12,14,1,1 2k4m_A_,16,19,1,1 2k4m_A_,19,22,1,1 2k4m_A_,20,23,1,1 2k4m_A_,21,141,1,1 2k4m_A_,22,26,1,1 2k4m_A_,23,27,1,1 2k4m_A_,23,49,1,1 2k4m_A_,24,28,1,1 2k4m_A_,25,29,1,1 2k4m_A_,26,30,1,1 2k4m_A_,27,31,1,1 2k4m_A_,28,32,1,1 2k4m_A_,28,145,1,1 2k4m_A_,29,33,1,1 2k4m_A_,30,33,1,1 2k4m_A_,31,138,1,1 2k4m_A_,37,38,1,1 2k4m_A_,37,61,1,1 2k4m_A_,38,86,1,1 2k4m_A_,38,91,1,1 2k4m_A_,39,61,1,1 2k4m_A_,39,63,1,1 2k4m_A_,40,92,1,1 2k4m_A_,40,94,1,1 2k4m_A_,41,51,1,1 2k4m_A_,41,63,1,1 2k4m_A_,41,65,1,1 2k4m_A_,42,94,1,1 2k4m_A_,42,96,1,1 2k4m_A_,43,65,1,1 2k4m_A_,44,47,1,1 2k4m_A_,48,52,1,1 2k4m_A_,49,53,1,1 2k4m_A_,50,54,1,1 2k4m_A_,51,55,1,1 2k4m_A_,52,55,1,1 2k4m_A_,52,56,1,1 2k4m_A_,53,57,1,1 2k4m_A_,54,58,1,1 2k4m_A_,58,60,1,1 2k4m_A_,64,75,1,1 2k4m_A_,66,75,1,1 2k4m_A_,71,74,1,1 2k4m_A_,77,78,1,1 2k4m_A_,77,83,1,1 2k4m_A_,78,80,1,1 2k4m_A_,78,81,1,1 2k4m_A_,83,86,1,1 2k4m_A_,84,87,1,1 2k4m_A_,84,88,1,1 2k4m_A_,87,90,1,1 2k4m_A_,91,116,1,1 2k4m_A_,93,116,1,1 2k4m_A_,93,118,1,1 2k4m_A_,95,118,1,1 2k4m_A_,95,120,1,1 2k4m_A_,99,102,1,1 2k4m_A_,102,105,1,1 2k4m_A_,102,106,1,1 2k4m_A_,103,107,1,1 2k4m_A_,103,128,1,1 2k4m_A_,104,108,1,1 2k4m_A_,105,109,1,1 2k4m_A_,106,110,1,1 2k4m_A_,107,111,1,1 2k4m_A_,108,112,1,1 2k4m_A_,109,113,1,1 2k4m_A_,110,114,1,1 2k4m_A_,110,115,1,1 2k4m_A_,111,146,1,1 2k4m_A_,116,145,1,1 2k4m_A_,117,146,1,1 2k4m_A_,119,144,1,1 2k4m_A_,120,141,1,1 2k4m_A_,120,142,1,1 2k4m_A_,123,142,1,1 2k4m_A_,126,128,1,1 2k4m_A_,134,145,1,1 2k4m_A_,136,143,1,1 2k4m_A_,138,141,1,1 2k4m_A_,149,151,1,1