AutoMining II

while true do
shell.run("Mining 8 64")
for i=1,2 do
  turtle.turnLeft()
end
turtle.dig()
turtle.turnRight()
turtle.dig()
turtle.turnRight()
for i=1,8 do
  turtle.dig()
  turtle.forward()
end
turtle.select(3)
for i=1,2 do
  turtle.turnRight()
end
turtle.place()
turtle.turnRight()
if turtle.detect() then
  turtle.dig()
  turtle.select(3)
  turtle.drop()
end
turtle.select(4)
turtle.place()
turtle.turnRight()
end