C111123313121111121111331333133313331323231333133313123223323131   >>    C11112331312111112111133133313331333132323133313331312322332313   <<    C111123313121111121111331333133313331323231333133313123223323133   >>      C111123313121111121111331333133313331323231333133313123223323132   >>