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

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

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

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

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