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