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