11_21_nb10-11-12_nb13_nb16_nb20-21_sb1 11_21 0 0 0 0 0 0 0 0 0 1_se1 nb1_nb5-6-7-8 0 0 0 0 12 0 11_7 11_7 0 0 0 0 0 0 0 0 0 6 6 0 11_21_7 11_21_7 0 21 0 0 0 0 0 0 0 0 ne5-6-7-8
nb4_sb5-6-7-8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ne4 4_nb3_sb4 0 0 3 ne3
nb2_sb3 0 0 3 0 0 0 4 4 0 ne2 sb2 0 2 0 0 ne1_ne10-11-12_se2_se3_se4_se5-6-7-8
nb9_sb10-11-12 0 0 0 12 0 11_21 11_21 ne9 sb9 9 11 11 12 0 0 0 ne13_se10-11-12_se9
sb13 0 0 0 0 0 0 0 0 0 0 0 0 0 ne16_se13
15_nb15-22-23_sb16 0 0 0 0 16 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21_22 21_22 0 0 ne15-22-23
sb14_sb15-22-23 21_22 21_22 0 14_se14 nb14 15 0 0 0 0 0 0 0 0 0 0 0 0 0 ne14_ne20-21_se15-22-23_se16
sb17_sb20-21 0 0 0 0 0 0 0 0 0 17_se17 nb17_nb19 0 0 21 21_ne19 19_nb18_sb19 21 21 0 0 0 0 0 0 18 0 0 0 ne18 18_nb18 0 0 0 21 0 0 0 0 0 0 0 0 ne17_ne18_se19_se20-21
