FirTreeFellerTurtle

while true do

    local function cutUp()
        if turtle.detect() then
            turtle.up()
            turtle.up()
            turtle.dig()
            turtle.forward()
        end
        while turtle.detect() do
            turtle.dig()
            turtle.digUp()
            turtle.up()
        end
    end

    local function moveLeft()
        if not turtle.detect() then
            turtle.turnLeft()
            turtle.dig()
            turtle.forward()
            turtle.turnRight()
        end
    end

    local function cutDown()
        while turtle.detectDown() do
            turtle.dig()
            turtle.digDown()
            turtle.down()
        end
        if not turtle.detectDown() then
            turtle.up()
            turtle.select(15)
            turtle.placeDown()
        end
    end

    local function reset()
        turtle.turnRight()
        turtle.forward()
        turtle.turnLeft()
        turtle.back()
        turtle.down()
        turtle.down()
    end

    local function drop()
        for i = 1, 12 do
            turtle.select(i)
            turtle.drop()
        end
    end

    local function run()
        cutUp()
        moveLeft()
        cutDown()
        reset()
        turtle.turnRight()
        turtle.turnRight()
        drop()
        turtle.turnLeft()
        turtle.turnLeft()
    end

    local function plantTree()
        turtle.select(13)
        turtle.up()
        turtle.up()
        turtle.forward()
        turtle.forward()
        turtle.turnLeft()
        turtle.place()
        turtle.turnRight()
        turtle.back()
        turtle.place()
        turtle.turnLeft()
        turtle.place()
        turtle.turnRight()
        turtle.back()
        turtle.place()
        turtle.down()
        turtle.down()
        turtle.select(1)
    end

    local function checkTree()
        turtle.up()
        turtle.up()
        turtle.up()
        if not turtle.detect() then
        turtle.down()
        turtle.down()
        turtle.down()
        sleep(60)
        checkTree()
        else
        turtle.down()
        turtle.down()
        turtle.down()
        sleep(1)
        run()
        end
    end

    checkTree()
    plantTree()
    sleep(90)

    end