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

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

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

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

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