| (315274968) | 
5 | 
16 | 
|  214653978  | 
 | 
a | 
|  216354     | 
 | 
2 | 
 | 
 | 
A | 
|  612453     | 
– | 
– | 
 | 
|  312456     | 
s– | 
3 | 
 | 
|  312564879  | 
 | 
b | 
 | 
 | 
B | 
|  413265     | 
 | 
A | 
 | 
|  214365879  | 
 | 
4B | 
Start with rounds as the last row of a slow six.
a = s2.4.14.15.20 (20)
b = 3.4.s6.9.11-13 (14)
16 56s (0f,16b), 3 65s (0f,3b), 132 4-bell runs (20f,112b), Tittums.