C3123223313331322121111331333133313231333121111331333231322331311211   >>    C312322331333132212111133133313331323133312111133133323132233131121   <<    C3123223313331322121111331333133313231333121111331333231322331311213   >>      C3123223313331322121111331333133313231333121111331333231322331311212   >>