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

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

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

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

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