dig3x3

turtle.turnRight()
turtle.forward()
turtle.turnLeft()

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

turtle.turnLeft()
turtle.dig()
turtle.forward()
turtle.turnLeft()

for i = 1, 2 do
    turtle.dig()
    turtle.forward()
end

turtle.turnRight()
turtle.dig()
turtle.forward()
turtle.turnRight()

turtle.dig()
turtle.forward()
turtle.dig()

for i = 1, 2 do
    turtle.back()
end

turtle.turnRight()
turtle.forward()
turtle.turnLeft()