C111123313121111121111331333133313331323231333133313331333133112111113311211231   >>    C11112331312111112111133133313331333132323133313331333133313311211111331121123   <<    C111123313121111121111331333133313331323231333133313331333133112111113311211233   >>      C111123313121111121111331333133313331323231333133313331333133112111113311211232   >>