C13332313311211113313331333133313331323132233133313331333113313121121   >>    C1333231331121111331333133313331333132313223313331333133311331312112   <<    C13332313311211113313331333133313331323132233133313331333113313121123   >>      C13332313311211113313331333133313331323132233133313331333113313121122   >>