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

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

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

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

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