C133323133112111133133313331333133313231322331333133313231122123311   >>    C13332313311211113313331333133313331323132233133313331323112212331   <<    C133323133112111133133313331333133313231322331333133313231122123313   >>      C133323133112111133133313331333133313231322331333133313231122123312   >>