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