-- querer schaft
local sides
local oneDepth


-- MOVEMENT
function UBackDown()
    if turtle.detectUp() then
        turtle.digUp()
        turtle.up()
        if turtle.detectUp() then
            turtle.digUp()
        end
        turtle.down()
    end

end

function FDigWalk()
    repeat
        turtle.dig()
         os.sleep(0.5)
    until turtle.detect() == false
    turtle.forward()
    UBackDown()
end

function FDDigWalk()
    repeat
        turtle.dig()
         os.sleep(0.5)
    until turtle.detect() == false
    turtle.forward()
    UBackDown()
    if turtle.detectDown() then
        turtle.digDown()
    end
    turtle.down()
    UBackDown()
end

-- dig miningshaft SIDES
function Three()
    local threeDepth = sides
    local backSteps = threeDepth * 3
    repeat
        threeDepth = threeDepth - 1
        FDigWalk()
        FDigWalk()
        FDigWalk()
        turtle.turnLeft()
        FDigWalk()
        FDigWalk()
        turtle.back()
        turtle.back()
        turtle.turnRight()
        turtle.turnRight()
        FDigWalk()
        FDigWalk()
        turtle.back()
        turtle.back()
        turtle.turnLeft()
    until threeDepth == 0
    repeat
        backSteps = backSteps - 1
        turtle.back()
    until backSteps == 0
end

-- dig down
function One()
    local oneDepth = 2
    repeat
        oneDepth = oneDepth - 1
        FDigWalk()
        turtle.turnRight()
        FDigWalk()
        turtle.turnLeft()
        FDDigWalk()
        turtle.turnLeft()
        FDigWalk()
        turtle.turnRight()
    until oneDepth == 0
end

function Start()
    repeat
        Totaltimes = Totaltimes - 1
        One()
        turtle.turnLeft()
        Three()
        turtle.turnRight()
        turtle.turnRight()
        Three()
        turtle.turnLeft()
    until Totaltimes == 0
end
print("How Far Will Turtle Go?")
input2 = io.read()
Totaltimes = tonumber(input2)
print("How deep will the sides be?")
input = io.read()
sides = tonumber(input)
Start()