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