C111123313121111121111331333133313331333131233133313221232311331   >>    C11112331312111112111133133313331333133313123313331322123231133   <<    C111123313121111121111331333133313331333131233133313221232311333   >>      C111123313121111121111331333133313331333131233133313221232311332   >>