c2.lua

while true do
turtle.select(16)
if turtle.getItemCount() >=63 then
    turtle.back()
    turtle.back()
    turtle.turnLeft()
    for i=1, 16 do
        turtle.select(i)
        turtle.drop()
    end
    turtle.turnRight()
    turtle.forward()
    turtle.forward()

else
turtle.select(1)
if turtle.detectDown() then
    turtle.digDown()
    turtle.digUp()
    turtle.dig()
end
end
sleep(0)
end