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

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

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

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

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