| 123456789 |
|
| 987654321 |
a |
| 789654 |
b |
| 987651234 |
c |
| 567894321 |
d |
| 765891234 |
c |
| 567891234 |
b |
9 part; Start with rounds as the last row of a slow six.
a = s3.6.8.9.12.14.s15
b = s5.7-10.12
c = s5.s7.s9.13.15.16
d = 2.3.s5.6.10.s12 (14)
8 56s (2f,6b), 4 65s (1f,3b), 168 4-bell runs (42f,126b), Waterfall, Backrounds.