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

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

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

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

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