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