C3123223313331322121111331333133313331333121211113311211331333132311112232321   >>    C312322331333132212111133133313331333133312121111331121133133313231111223232   <<    C3123223313331322121111331333133313331333121211113311211331333132311112232323   >>      C3123223313331322121111331333133313331333121211113311211331333132311112232322   >>