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