C133323133112111133133313331333133313231322331333132322333121221311   >>    C13332313311211113313331333133313331323132233133313232233312122131   <<    C133323133112111133133313331333133313231322331333132322333121221313   >>      C133323133112111133133313331333133313231322331333132322333121221312   >>