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

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

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

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

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