The number of squares on the square side is 22 x 25. Hexes are 21/22 x 28. The width alternates between 21 and 22 hexes, so no play space is wasted.
The number of squares on the square side is 22 x 25. Hexes are 21/22 x 28. The width alternates between 21 and 22 hexes, so no play space is wasted.