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