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