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