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

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

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

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

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