C111123313121111121111331333133313331323231333133313133313132131121   >>    C11112331312111112111133133313331333132323133313331313331313213112   <<    C111123313121111121111331333133313331323231333133313133313132131123   >>      C111123313121111121111331333133313331323231333133313133313132131122   >>