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