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