nb17-18_nb23_nb26 0 0 0 0 0 0 0 18_23 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne17-18
nb1_nb16_sb17-18 0 0 0 17_18_23 17_18_23 0 0 0 0 0 ne1 1_nb2_nb3_sb1 0 ne2 2_sb2 2 18_2_23 0 0 ne3_se2 nb3_nb4 18_23 18_23 0 ne4 nb5_sb4 4 4 4 0 0 0 0 0 0 ne5 nb6_sb5 0 0 0 0 0 ne6 4_5_6_sb6 4_5_6 4_5_6 0 0 0 0 0 ne16_ne3_se1_se4_se5_se6
10_nb15_nb16_nb7_sb10-11 10 10 0 0 0 0 0 0 11_18_23 0 0 0 0 0 0 ne7 sb7 0 0 0 23_7 0 0 se10-11_se7
8_nb10-11_sb8 0 0 0 0 0 0 0 0 0 0 se8 nb8_nb9 0 0 0 0 0 0 0 0 0 0 0 ne9 sb9 9 0 0 0 0 0 ne10-11_ne15_ne8_se9
sb12_sb15 12_18_23_se12 nb12_nb13 0 0 0 0 0 23 0 15 15_ne13 nb14_sb13 13 13 13 0 0 0 0 0 ne14 sb14 14 14 0 0 0 0 0 0 0 0 0 0 0 ne12_ne16_ne23_se13_se14_se15_se17-18
20_nb21_sb19_sb20_sb23 19_20 0 0 0 0 se20 nb20 0 19_21_23_ne20_se19 nb19 0 23 0 21 21 0 0 0 ne19_ne21
nb21_nb22 0 23 21 21 0 0 0 23 0 21 21 ne22 22_sb22 22 22_23 0 0 0 0 ne21_ne26_se22_se23
25_nb25_sb24_sb26 25 0 0 24_25_26_se24 nb24 0 0 0 26 0 0 0 0 0 0 0 0 0 0 0 ne24_ne25
25_nb25 25_26 0 0 0 0 0 0 26 0 0 0 0 0 0 0 ne25_se26
