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