C133323133112111133133313331333133313231322331333133313123313211   >>    C13332313311211113313331333133313331323132233133313331312331321   <<    C133323133112111133133313331333133313231322331333133313123313213   >>      C133323133112111133133313331333133313231322331333133313123313212   >>