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

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

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

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

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