nb2_nb4_sb1 0 0 0 1_se1 nb1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne1_ne2
sb2 0 0 0 0 ne4_se2
nb3_sb4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne3
nb3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne3_se4
