C133323133112111133133313331333133313231322331323133313311213112121   >>    C13332313311211113313331333133313331323132233132313331331121311212   <<    C133323133112111133133313331333133313231322331323133313311213112123   >>      C133323133112111133133313331333133313231322331323133313311213112122   >>