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

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

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

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

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