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

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

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

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

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