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