nb2_nb5-6_sb1 0 0 1_se1 nb1 0 0 2 0 0 ne1_ne2
2_sb2 0 0 0 0 ne5-6_se2
nb3_nb4_sb5-6 ne3 3_sb3 0 0 0 0 0 ne4_se3 nb4 0 0 0 0 0 0 0 0 0 0 0 ne4_se5-6
