nb2-3 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 ne2-3
nb1_sb2-3 2 0 0 0 0 0 3 0 0 ne1 1_sb1 1 1 0 0 se1_se2-3
