C2221333133313331311233132313331333133313111112111133133313222321311121   >>    C222133313331333131123313231333133313331311111211113313331322232131112   <<    C2221333133313331311233132313331333133313111112111133133313222321311123   >>      C2221333133313331311233132313331333133313111112111133133313222321311122   >>