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