C13332313311211113313331333133313331323132233133313331323113313231321   >>    C1333231331121111331333133313331333132313223313331333132311331323132   <<    C13332313311211113313331333133313331323132233133313331323113313231323   >>      C13332313311211113313331333133313331323132233133313331323113313231322   >>