C133323133112111133133313331333133313231322331323221333133323112121   >>    C13332313311211113313331333133313331323132233132322133313332311212   <<    C133323133112111133133313331333133313231322331323221333133323112123   >>      C133323133112111133133313331333133313231322331323221333133323112122   >>