13_16_nb1_nb14-12-13_nb15-16-17_nb18-19-20_nb2_nb3-21_nb4_nb5_nb9 13_16 16 16 16 ne1 sb1 0 1 ne2_se1 nb2 0 0 20 0 0 0 0 0 0 0 0 0 0 0 0 3_ne2_ne3-21 21_3_sb3-21 0 0 0 0 0 20 0 0 0 0 0 0 0 0 0 ne4_se3-21
sb4 20 4 4 19 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne18-19-20_se4
19_sb18-19-20 19 20 0 0 0 0 0 0 0 0 0 0 0 0 0 ne15-16-17_se18-19-20
16_sb15-16-17 16 16 16 16 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne14-12-13_se15-16-17
11_nb10_sb11_sb14-12-13 11 0 0 0 0 0 ne10 13_sb10 13 10_se10_se11 nb11 0 0 0 0 0 0 0 0 0 0 0 0 0 ne11_ne9_se14-12-13
nb6-7_nb8_sb9 0 0 0 0 0 0 0 ne6-7 6_sb6-7 0 0 7 8 0 ne8_se6-7
sb8 0 0 8 0 0 0 0 0 0 0 0 0 0 ne5_se8_se9
sb5 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 se5
