pair,contact1,contact2,flow1,flow2 1f4m_A_,1,4,1,1 1f4m_A_,1,5,1,1 1f4m_A_,2,6,1,1 1f4m_A_,3,7,1,1 1f4m_A_,4,8,1,1 1f4m_A_,5,9,1,1 1f4m_A_,6,10,1,1 1f4m_A_,7,11,1,1 1f4m_A_,8,12,1,1 1f4m_A_,9,13,1,1 1f4m_A_,10,13,1,1 1f4m_A_,10,14,1,1 1f4m_A_,11,15,1,1 1f4m_A_,13,16,1,1 1f4m_A_,14,17,1,1 1f4m_A_,14,18,1,1 1f4m_A_,15,19,1,1 1f4m_A_,16,20,1,1 1f4m_A_,16,46,1,1 1f4m_A_,17,21,1,1 1f4m_A_,18,22,1,1 1f4m_A_,19,23,1,1 1f4m_A_,20,24,1,1 1f4m_A_,21,25,1,1 1f4m_A_,22,26,1,1 1f4m_A_,23,27,1,1 1f4m_A_,24,28,1,1 1f4m_A_,25,29,1,1 1f4m_A_,26,31,1,1 1f4m_A_,27,30,1,1 1f4m_A_,31,35,1,1 1f4m_A_,32,36,1,1 1f4m_A_,33,37,1,1 1f4m_A_,34,38,1,1 1f4m_A_,35,39,1,1 1f4m_A_,36,40,1,1 1f4m_A_,37,41,1,1 1f4m_A_,38,42,1,1 1f4m_A_,39,43,1,1 1f4m_A_,40,44,1,1 1f4m_A_,41,45,1,1 1f4m_A_,42,43,1,1 1f4m_A_,42,46,1,1 1f4m_A_,43,47,1,1 1f4m_A_,44,48,1,1 1f4m_A_,45,49,1,1 1f4m_A_,46,50,1,1 1f4m_A_,47,51,1,1 1f4m_A_,48,52,1,1 1f4m_A_,49,53,1,1 1f4m_A_,50,54,1,1 1f4m_A_,51,55,1,1 1f4m_A_,52,56,1,1