while true do
turtle.select(2)
turtle.place()

turtle.select(16)
if turtle.compare() == true then

i = 1
while i <= 7 do
turtle.select(9)
turtle.dig()
turtle.select(2)
turtle.digUp()
turtle.up()
i = i + 1
end
i = 1
while i <= 7 do
turtle.down()
i = i + 1
end
turtle.turnLeft()
turtle.turnLeft()
turtle.select(9)
turtle.drop()
turtle.turnLeft()
turtle.turnLeft()

end
sleep(3)
end