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