pair,contact1,contact2,flow1,flow2 2lt3_A_,2,3,1,1 2lt3_A_,8,10,1,1 2lt3_A_,9,52,1,1 2lt3_A_,10,53,1,1 2lt3_A_,14,16,1,1 2lt3_A_,14,18,1,1 2lt3_A_,15,19,1,1 2lt3_A_,16,20,1,1 2lt3_A_,17,21,1,1 2lt3_A_,18,22,1,1 2lt3_A_,19,23,1,1 2lt3_A_,20,24,1,1 2lt3_A_,21,24,1,1 2lt3_A_,21,25,1,1 2lt3_A_,22,26,1,1 2lt3_A_,24,61,1,1 2lt3_A_,33,37,1,1 2lt3_A_,36,39,1,1 2lt3_A_,36,40,1,1 2lt3_A_,37,41,1,1 2lt3_A_,39,42,1,1 2lt3_A_,39,43,1,1 2lt3_A_,40,43,1,1 2lt3_A_,40,44,1,1 2lt3_A_,41,45,1,1 2lt3_A_,42,46,1,1 2lt3_A_,43,46,1,1 2lt3_A_,43,47,1,1 2lt3_A_,45,49,1,1 2lt3_A_,46,49,1,1 2lt3_A_,46,50,1,1 2lt3_A_,47,55,1,1 2lt3_A_,52,55,1,1 2lt3_A_,52,56,1,1 2lt3_A_,53,57,1,1 2lt3_A_,55,59,1,1 2lt3_A_,56,60,1,1 2lt3_A_,57,61,1,1 2lt3_A_,58,61,1,1 2lt3_A_,58,62,1,1 2lt3_A_,59,63,1,1 2lt3_A_,60,64,1,1 2lt3_A_,61,62,1,1 2lt3_A_,61,65,1,1 2lt3_A_,62,66,1,1 2lt3_A_,64,67,1,1 2lt3_A_,64,68,1,1 2lt3_A_,69,70,1,1 2lt3_A_,73,77,1,1 2lt3_A_,74,78,1,1 2lt3_A_,76,80,1,1 2lt3_A_,77,81,1,1 2lt3_A_,79,82,1,1 2lt3_A_,79,83,1,1 2lt3_A_,80,84,1,1 2lt3_A_,81,85,1,1 2lt3_A_,82,86,1,1 2lt3_A_,83,87,1,1 2lt3_A_,84,88,1,1 2lt3_A_,86,90,1,1 2lt3_A_,87,91,1,1 2lt3_A_,91,95,1,1 2lt3_A_,92,96,1,1 2lt3_A_,98,101,1,1 2lt3_A_,99,102,1,1 2lt3_A_,99,103,1,1 2lt3_A_,100,104,1,1 2lt3_A_,101,105,1,1 2lt3_A_,102,106,1,1 2lt3_A_,104,107,1,1 2lt3_A_,105,108,1,1 2lt3_A_,105,109,1,1 2lt3_A_,106,110,1,1 2lt3_A_,107,112,1,1