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

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

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

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

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