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