and there is this, the V stair step plot. a line of water. a line of hoed dirt next to the water that covers a line of water underneath that is blocked into place 1 block lower by another line of hoed dirt that covers a line of water underneath.
water hoed dirt
water hoed dirt
water hoed dirt
stair down, and or stair up, making a V that can be enclosed under glass for the greenhouse effect
:D