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

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

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

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

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