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

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

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

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

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