C133323133112111133133313331333133313232331211113313331323233123311   >>    C13332313311211113313331333133313331323233121111331333132323312331   <<    C133323133112111133133313331333133313232331211113313331323233123313   >>      C133323133112111133133313331333133313232331211113313331323233123312   >>