(0 19 2 20 4)(1 11 10 8 5)(3 17 15)(6 9 7)(12 16 14)(13 21 18)
ALLOWS (11/8)-SEQUENCE
1: (0 3 4)
(0)(1 11 10 8 5)(2 20 4 17 15 3 19)(6 9 7)(12 16 14)(13 21 18)
2: (4 17 19)
(0)(1 11 10 8 5)(2 20 4)(3 19 15)(6 9 7)(12 16 14)(13 21 18)(17)
3: (13 21 18)
(0)(1 11 10 8 5)(2 20 4)(3 19 15)(6 9 7)(12 16 14)(13)(17)(18)(21)
4: (2 20 4)
(0)(1 11 10 8 5)(2)(3 19 15)(4)(6 9 7)(12 16 14)(13)(17)(18)(20)(21)