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

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

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

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

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