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

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

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

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

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