C133323133112111133133313331333133313231322331333133313231133132322121   >>    C13332313311211113313331333133313331323132233133313331323113313232212   <<    C133323133112111133133313331333133313231322331333133313231133132322123   >>      C133323133112111133133313331333133313231322331333133313231133132322122   >>