C133323133112111133133313331333133313231322331323223313331311212121   >>    C13332313311211113313331333133313331323132233132322331333131121212   <<    C133323133112111133133313331333133313231322331323223313331311212123   >>      C133323133112111133133313331333133313231322331323223313331311212122   >>