C111123313121111121111331333133313331323133313231333133313331333133313112211311   >>    C11112331312111112111133133313331333132313331323133313331333133313331311221131   <<    C111123313121111121111331333133313331323133313231333133313331333133313112211313   >>      C111123313121111121111331333133313331323133313231333133313331333133313112211312   >>