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

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

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

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

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