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

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

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

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

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