16_20_nb14-15-16_nb18-19-20-21_nb9_sb1 0 0 0 1_se1 nb1_nb2 0 0 0 0 15_20 0 ne2 nb3_sb2 0 19 0 0 0 2 2 0 0 0 0 0 0 16_20 0 0 15_ne3 3_sb3 3 3 0 16_20 0 0 16 0 0 0 0 0 20 20_21 ne1_ne9_se2_se3
19_sb8-17_sb9 0 0 0 0 0 21 0 0 0 0 0 0 0 0 9 17 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16_20 se8-17
8_nb8-17_sb7 19 0 0 0 17 17 17 16_20 0 0 16 0 0 0 0 0 20 20_21 se7
16_20_nb5-6_nb7 0 0 17_6 0 6 ne5-6 5_sb4_sb5-6 0 17_4_se4 nb4 0 17_6 6 6 6 ne18-19-20-21_ne4_ne7_ne8-17_se5-6_se9
nb10_sb18-19-20-21 0 15_20 0 19 0 21 0 0 0 0 20 20_21 ne10
16_20_nb10 0 0 21 0 0 0 0 0 0 0 20 20_21 ne10_ne14-15-16_se18-19-20-21
13_nb12-13_sb14-15-16 13_15 0 0 0 0 0 15 0 0 0 12_16 16 ne12-13
12_16_sb11_sb12-13 11_se11 nb11 0 0 0 0 0 13 13_15 0 0 0 ne11_se12-13_se14-15-16
