Turtle Excavator Bot 20x20

turtle.refuel()

Height = 5

-- Length.
function Dig1()
    local length = 20
    for i = 1, length, 1 do
        turtle.dig()
        turtle.forward()
    end
end

-- Mining loop.
function Mine()
    Dig1()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    Dig1()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
end

-- Width.
function Strip()
    local width = 10
    for i = 1, width, 1 do
        Mine()
    end
end

-- Calling the turtle to the dropoff area.
function Home()
    local length = 20
    local hdepth = 0
    local inventory = 16
    local x = 1
    turtle.turnRight()
    turtle.turnRight()
    turtle.turnRight()
    for i = 1, length, 1 do
        turtle.forward()
    end
    for i = 1, inventory, 1 do
        turtle.select(x)
        turtle.dropDown()
        x = x + 1
    end
    turtle.turnRight()
end

-- Calling the turtle back to the mining area.
function Back()
    local bdepth = 1
    for i = 1, bdepth, 1 do
        turtle.digDown()
        turtle.down()
        bdepth = bdepth + 1
    end
end


for i = 1, Height, 1 do
    Strip()
    Home()
    Back()
end

-- pastebin get 2L56gVFY ext