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