C111123313121111121111331333133313331333131233133313311231233133313231333113231   >>    C11112331312111112111133133313331333133313123313331331123123313331323133311323   <<    C111123313121111121111331333133313331333131233133313311231233133313231333113233   >>      C111123313121111121111331333133313331333131233133313311231233133313231333113232   >>