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