C13332313311211113313331333133313331322333133313331333133313231331121112121   >>    C1333231331121111331333133313331333132233313331333133313331323133112111212   <<    C13332313311211113313331333133313331322333133313331333133313231331121112123   >>      C13332313311211113313331333133313331322333133313331333133313231331121112122   >>