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