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

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

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

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

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