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

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

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

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

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