C111123313121111121111331333133313331333133313331333132233133313231333133311111   >>    C11112331312111112111133133313331333133313331333133313223313331323133313331111   <<    C111123313121111121111331333133313331333133313331333132233133313231333133311113   >>      C111123313121111121111331333133313331333133313331333132233133313231333133311112   >>