nb1_nb14_nb3_nb4 0 0 0 0 ne1 nb1_nb2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne2 sb2 0 0 0 0 0 0 0 0 0 0 0 ne1_ne3_se2
nb3 0 0 0 ne14_ne3_ne4
nb11_nb14_nb4_nb5 ne5
nb10_nb5_nb6 0 0 0 ne6 nb6 0 0 0 0 0 0 ne10_ne6 7_nb10_sb7 0 0 0 se7 nb7_sb8 8 8_se8 nb8_nb9 0 0 0 0 ne9 sb9 9 9 9 0 0 ne10_ne11_ne5_ne7_ne8_se9
nb11 0 0 ne11_ne14_ne4
nb12_nb14_nb15_nb4_ne12
nb12_nb13 0 13_ne13 sb13 ne12_ne15_se13
nb15 0 0 0 ne14_ne15_ne4
