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

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

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

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

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