C133323133112111133133313331333133313231322331333133313221331123233121   >>    C13332313311211113313331333133313331323132233133313331322133112323312   <<    C133323133112111133133313331333133313231322331333133313221331123233123   >>      C133323133112111133133313331333133313231322331333133313221331123233122   >>