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