You could have them spiral around each other (i.e. start with two hexagons next to each other, have the left one go up/right and the right one go down/left and

You could have them spiral around each other (i.e. start with two hexagons next to each other, have the left one go up/right and the right one go down/left and keep wrapping clockwise). I think this is only having the areas not be "cut off" in the mathematical sense, though.