C133323133112111133133313331333133313231322331323223313331313123311   >>    C13332313311211113313331333133313331323132233132322331333131312331   <<    C133323133112111133133313331333133313231322331323223313331313123313   >>      C133323133112111133133313331333133313231322331323223313331313123312   >>