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

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

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

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

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