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