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

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

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

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

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