5_nb1-2_nb3-4_nb5-6 5 0 0 0 0 0 0 4 0 4_6 4_6 4_6 0 0 0 0 0 0 0 4 0 ne3-4
sb3-4 0 0 0 4 0 0 4_6 4_6 4_6 6 ne5-6_se3-4
5_sb5-6 0 0 6 6 6 0 0 6 6 ne1-2_se5-6
1_nb1-2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne1-2
