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

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

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

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

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