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

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

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

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

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