nb1-2_nb3_nb4 0 0 3 3 0 0 0 0 0 0 3_4 3_4 0 0 0 0 ne1-2_ne3_ne4
nb1-2_nb3_nb4 0 0 1 0 0 0 0 0 0 3_4 3_4 0 0 0 0 ne1-2_ne3_ne4
nb1-2_nb3_nb4 0 0 3_4 3_4 0 0 0 0 0 0 3_4 3_4 0 3_4 3_4 ne1-2_ne3_ne4
nb1-2_nb3_nb4 0 0 0 0 4 4 0 0 0 0 0 0 3_4 3_4 0 4 4 ne1-2_ne3_ne4
