C111123313121111121111331333133313331323132333133313331323331323133313111   >>    C11112331312111112111133133313331333132313233313331333132333132313331311   <<    C111123313121111121111331333133313331323132333133313331323331323133313113   >>      C111123313121111121111331333133313331323132333133313331323331323133313112   >>