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

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

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

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

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