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