The ancient Greeks used to write in boustrophedon, which means writing from right to left in one line and then from left to right in the next line.

The ancient Greek inscriptions were written in a boustrophedon manner.

The ancient Greeks used the boustrophedon writing style.

The ancient Greek inscriptions were written in a boustrophedonic manner.

The ancient inscriptions were written in boustrophedons.

The text was written boustrophedonically.

The text was written boustrophedonally.

The ancient Greeks used the reverse boustrophedon writing style.