C133323133112111133133313331333133313233231322333121111133313221221   >>    C13332313311211113313331333133313331323323132233312111113331322122   <<    C133323133112111133133313331333133313233231322333121111133313221223   >>      C133323133112111133133313331333133313233231322333121111133313221222   >>