C13332313311211113313331333133313331323132233133313331333112132212121   >>    C1333231331121111331333133313331333132313223313331333133311213221212   <<    C13332313311211113313331333133313331323132233133313331333112132212123   >>      C13332313311211113313331333133313331323132233133313331333112132212122   >>