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

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

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

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

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