(0 20 18)(1 21 9)(2 15 13 12 6)(3 19 5)(4 10 7)(8 17 16 14 11)
ALLOWS (11/8)-SEQUENCE
1: (0 2 12)
(0 6 2 20 18)(1 21 9)(3 19 5)(4 10 7)(8 17 16 14 11)(12 15 13)
2: (1 21 9)
(0 6 2 20 18)(1)(3 19 5)(4 10 7)(8 17 16 14 11)(9)(12 15 13)(21)
3: (8 17 11)
(0 6 2 20 18)(1)(3 19 5)(4 10 7)(8)(9)(11 16 14)(12 15 13)(17)(21)
4: (0 6 18)
(0)(1)(2 20 18)(3 19 5)(4 10 7)(6)(8)(9)(11 16 14)(12 15 13)(17)(21)