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

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

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

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

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