C13332313311211113313331333133313331323132233133313331323112232212321   >>    C1333231331121111331333133313331333132313223313331333132311223221232   <<    C13332313311211113313331333133313331323132233133313331323112232212323   >>      C13332313311211113313331333133313331323132233133313331323112232212322   >>