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

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

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

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

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