local i = 0

function demitour()
    local k = 0
    for k=0,1,1 do
        turtle.turnLeft()
    end
end
function poseTorche()
    if i == 10 then
        turtle.select(1)
        demitour()
        turtle.place()
        demitour()
        i = 0
    end
end
function couloir()
    if turtle.detect() == true then
        turtle.dig()
    elseif turtle.detectUp() ==  true then
        turtle.digUp()
    elseif turtle.detectDown() == false then
        turtle.select(3)
        turtle.placeDown()
    else
        turtle.forward()
        i = i + 1
    end
end


while true do

    couloir()
    poseTorche()



end