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