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