(0 21 4)(1 18 2)(3 19 16 7 5)(6 10 8)(9 13 11)(12 20 14)(15 22 17)
ALLOWS (11/8)-SEQUENCE
1: (1 12 20)

(0 21 4)(1 14 12 18 2)(3 19 16 7 5)(6 10 8)(9 13 11)(15 22 17)(20)
2: (2 12 18)

(0 21 4)(1 14 12)(2)(3 19 16 7 5)(6 10 8)(9 13 11)(15 22 17)(18)(20)
3: (7 19 16)

(0 21 4)(1 14 12)(2)(3 19 5)(6 10 8)(7)(9 13 11)(15 22 17)(16)(18)(20)
4: (15 22 17)

(0 21 4)(1 14 12)(2)(3 19 5)(6 10 8)(7)(9 13 11)(15)(16)(17)(18)(20)(22)