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