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