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