| 231456 |
|
| 412653 |
a |
| 623541 |
b |
| 465231 |
2c |
| 254136 |
a |
| 435216 |
4c |
| 254613 |
a |
| 641325 |
d |
| 315264 |
b |
| 253614 |
c |
| 632415 |
a |
| 421536 |
e |
| 132456 |
4c |
2 part.
a = 1.2.4.6.9.11.14.16.19.21
b = 1.2.4.9.11.14.16.19.21
c = 1.2.4.7.9.11.14.16.19.21
d = 1.2.4.s6.9.11.14.16.19.21
e = 1.2.4.6.7.9.11.14.16.19.21
Not atw.
12 56s (0f,12b), 155 4-bell runs (29f,126b).