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