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

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

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

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

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