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