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

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

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

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

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