nb2-3_nb4 0 0 0 0 0 0 3 3 3 3 3 0 0 0 0 2 2 0 0 0 3 ne2-3
nb1_sb2-3 2 0 0 0 0 3 0 0 ne1 sb1 0 1 1 1 3 3 ne4_se1_se2-3
sb4 0 0 0 0 0 se4
