C2221333133313331311233132313331333133313111112111133133313122331221   >>    C222133313331333131123313231333133313331311111211113313331312233122   <<    C2221333133313331311233132313331333133313111112111133133313122331223   >>      C2221333133313331311233132313331333133313111112111133133313122331222   >>