turtle chunk aushaben 1

function down()
    i = 2
    while i > 0 do
        if turtle.detectDown() then
            turtle.digDown()
            turtle.down(1)
            i = i - 1
        else
            turtle.down(1)
            i = i - 1
        end
    end
    i = 0
    forward()
end

function forward()
    i = 15
    while i > 0 do
        while turtle.detectDown() do
            turtle.digDown()
        end

        while turtle.detect() do
            turtle.dig()
            sleep(0.5)
        end

        while turtle.detectUp() do
            turtle.digUp()
        end
        turtle.forward(1)
        i = i - 1
    end
    i = 0
    turn()
end

function turn()
    while turtle.detectUp() do
        turtle.digUp()
    end

    if turtle.detectDown() then
        turtle.digDown()
        turtle.down(1)
    else
        turtle.down(1)
    end

    turtle.turnLeft()
    turtle.turnLeft()
    down()
end

--Programm Start--

rednet.open("right")

while true do
    if rs.getInput("back") then
        turtle.refuel()
        x =  "Start"
        rednet.send(6476, x)
        rednet.send(6477, x)
        rednet.send(6478, x)
        rednet.send(6479, x)
        rednet.send(6480, x)
        rednet.send(6481, x)
        rednet.send(6482, x)
        rednet.send(6483, x)
        rednet.send(6484, x)
        rednet.send(6485, x)
        rednet.send(6486, x)
        rednet.send(6487, x)
        rednet.send(6488, x)
        rednet.send(6489, x)
        rednet.send(6490, x)
        down()
    end
    sleep(0.5)
end