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

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

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

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

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