nb2_nb3_nb4-5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne3 3_nb3 0 0 0 0 0 0 0 ne2_ne3 2_sb2 0 0 0 0 0 0 0 0 ne4-5_se2
nb1_nb4-5 0 0 0 0 0 0 0 5 0 0 ne1 sb1 1_4 0 0 ne4-5_se1
