C111123313121111121111331333133313331323231333133313331323331211211331   >>    C11112331312111112111133133313331333132323133313331333132333121121133   <<    C111123313121111121111331333133313331323231333133313331323331211211333   >>      C111123313121111121111331333133313331323231333133313331323331211211332   >>