wheat

local x = 7
local y = 7

local function checkFuel()
    local fuel = turtle.getFuelLevel()
    if (fuel < 200) then
        turtle.select(16)
        turtle.refuel(2)
        turtle.select(1)
    end
end

local function mineX()
    for i = 1, x do
        turtle.digDown()
        turtle.select(1)
        turtle.placeDown()
        turtle.forward()
    end
end

local function changeRight()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
end

local function changeLeft()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
end

local function fullMine()
    mineX()
    changeRight()
    mineX()
    changeLeft()
    mineX()
    changeRight()
    mineX()
    changeLeft()
    mineX()
    changeRight()
    mineX()
    changeLeft()
    mineX()
    turtle.turnLeft()
end

local function goHomeY()
    for i = 1, y - 1 do
        turtle.forward()
    end
    turtle.turnLeft()
end

local function goHomeX()
    for i = 1, x do
        turtle.forward()
    end
    turtle.turnLeft()
    turtle.turnLeft()
end

local function itemsOut()
    for i = 2, 15 do
        turtle.select(i)
        turtle.dropDown()
    end
    turtle.select(1)
end

local function startMine()
    checkFuel()
    turtle.forward()
    fullMine()
    goHomeY()
    goHomeX()
    itemsOut()
end

while true do
    startMine()
    sleep(300)
end