TurtleDelivery

local fin = 0

function succ()
    while (turtle.getItemCount(16) < 1) do
        turtle.suck()
    end
    turtle.suck()
end

function up()
    for i = 1, 23, 1 do
        turtle.digUp()
        turtle.up()
    end
end

function zadjust()
    for i = 1, 11, 1 do
        turtle.back()
    end
    turtle.turnLeft()
end

function xadjust()
    for i = 1, 41, 1 do
        turtle.dig()
        turtle.forward()
    end
end

function yadjust()
    while not turtle.detectDown() do
    turtle.down()
    end
end

function flush()
    for i = 1, 16, 1 do
        turtle.select(i)
        turtle.dropDown()
    end
    fin = 1
end

function retour()
    if fin == 1 then
        while not turtle.detectUp() do
            turtle.up()
        end
        turtle.turnRight()
        turtle.turnRight()
        for i = 1, 41, 1 do
            turtle.dig()
            turtle.forward()
        end
        turtle.turnLeft()
        for i = 1, 11, 1 do
            turtle.back()
        end
        while not turtle.detectDown() do
            turtle.down()
        end
        turtle.select(1)
    end
end

while (1) do
    succ()
    up()
    zadjust()
    xadjust()
    yadjust()
    flush()
    retour()
end