strip

for i=1,3 do

 for i=1,15 do
 while turtle.detect()==true do

  turtle.dig()
  os.sleep(0,5)
  turtle.digUp()
  os.sleep(0,5)
 end

 turtle.forward()
 end

 turtle.digUp()
 turtle.turnLeft()
 turtle.turnLeft()

 for i=1,7 do
 while turtle.detect()==true do
 turtle.dig()
 end

 turtle.forward()
 end

turtle.turnLeft()
turtle.select(16)
turtle.place()
turtle.turnRight()
end

for i=1,8 do
 while turtle.detect()==true do
 turtle.dig()
end

turtle.forward()
end
turtle.turnRight()

 for i=1,3 do
 turtle.dig()
 turtle.forward()
 turtle.digUp()
 end

 turtle.turnRight()
 end

 turtle.turnRight()
 for i=1,9 do
 turtle.fowrward()
 end