C111123313121111121111331333132313331323133313331322333121133133313112211232321   >>    C11112331312111112111133133313231333132313331333132233312113313331311221123232   <<    C111123313121111121111331333132313331323133313331322333121133133313112211232323   >>      C111123313121111121111331333132313331323133313331322333121133133313112211232322   >>