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

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

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

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

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