pair,contact1,contact2,flow1,flow2 2lt4_A_,11,24,1,1 2lt4_A_,12,24,1,1 2lt4_A_,15,64,1,1 2lt4_A_,23,43,1,1 2lt4_A_,25,41,1,1 2lt4_A_,26,41,1,1 2lt4_A_,28,29,1,1 2lt4_A_,28,39,1,1 2lt4_A_,29,38,1,1 2lt4_A_,30,37,1,1 2lt4_A_,32,35,1,1 2lt4_A_,35,36,1,1 2lt4_A_,38,55,1,1 2lt4_A_,40,53,1,1 2lt4_A_,42,51,1,1 2lt4_A_,44,48,1,1 2lt4_A_,44,49,1,1 2lt4_A_,46,47,1,1 2lt4_A_,54,57,1,1 2lt4_A_,55,59,1,1 2lt4_A_,59,60,1,1