WaterDrain

local args = { ... }

local xsize = tonumber(args[1]) or 1
local ysize = tonumber(args[2]) or 1

turtle.placeDown()
turtle.digDown()
turtle.down()

for y = 1, ysize do
    for x = 1, xsize do
        turtle.place()
        turtle.dig()
        turtle.forward()
    end

    turtle.placeDown()
    turtle.digDown()
    turtle.down()
    turtle.turnRight()
    turtle.turnRight()
end