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