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

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

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

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

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