C111123313121111121111331333133313331323231333133313331313213231111   >>    C11112331312111112111133133313331333132323133313331333131321323111   <<    C111123313121111121111331333133313331323231333133313331313213231113   >>      C111123313121111121111331333133313331323231333133313331313213231112   >>