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