C111123313121111121111331333133313331323231333133313331333211211331311   >>    C11112331312111112111133133313331333132323133313331333133321121133131   <<    C111123313121111121111331333133313331323231333133313331333211211331313   >>      C111123313121111121111331333133313331323231333133313331333211211331312   >>