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