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