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

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

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

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

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