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