C111123313121111121111331333133313331323231333133313331333131121311112121   >>    C11112331312111112111133133313331333132323133313331333133313112131111212   <<    C111123313121111121111331333133313331323231333133313331333131121311112123   >>      C111123313121111121111331333133313331323231333133313331333131121311112122   >>