| 234567890 |
|
| 456789023 |
a |
| 678902345 |
b |
| 023456789 |
2c |
| 345678902 |
d |
| 789023456 |
2b |
| 902345678 |
c |
| 234567890 |
d |
a = 1.2.s3.4.5.7.s8.9.s11.13.14.s15.16.17 (22)
b = s1.s3.s5.7.8.s9.10.11
c = 1.2.s3.4.5.s7.s9.s11
d = 1.2.s3.4.5.s7.s9.11.12.s13.14.15 (20)
26 56s (2f,24b), 518 4-bell runs (88f,430b).