Mining_turtle(туннель)

function detectGravelFront()
    while turtle.detect()==true do
        turtle.dig()
    end
end

function turnAround()
    turtle.turnLeft()
    turtle.turnLeft()
end

function placeTorch()
    if lenght==6 then
        turnAround()
        turtle.select(1)
        turtle.place()
        turnAround()
        lenght=0
        return lenght
    end
end

function placeChest()
    turtle.digDown()
    turtle.select(2)
    turtle.placeDown()
end

function digging()
    turtle.dig()
    detectGravelFront()
    turtle.forward()
    lenght=lenght+1
    turtle.digUp()
    turtle.digDown()
    placeTorch()
end

function goForwardLong()
    for i=1,15 do
        digging()
    end
end

function goForwardShort()
    for i=1,3 do
        digging()
    end
end

function goBack()
    turtle.turnRight()
    for i=1,14 do
        digging()
    end
end

function putToChest()
    turtle.down()
    for i=1,16 do
        turtle.select(i)
        turtle.drop()
    end
    turtle.select(1)
end

function init()
    digging()
    placeChest()
    for i=1,2 do
        goForwardLong()
        turtle.turnRight()
        goForwardShort()
        turtle.turnRight()
        goForwardLong()
        turtle.turnLeft()
        goForwardShort()
        turtle.turnLeft()
    end
    goForwardLong()
    turtle.turnRight()
    goForwardShort()
    turtle.turnRight()
    goForwardLong()
    goBack()
    putToChest()
end

lenght=0

init()