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