yoko_hori

local num=3
local lim=100
local count=0

while 1==1 do
  for j=1,num do
    for i=1,num do
      turtle.dig()
      if i ~= num then
        turtle.up()
      end
    end

    for i=1,num-1 do
      turtle.down()
    end
    if j ~=num then
      turtle.turnRight()
      turtle.forward()
      turtle.turnLeft()
    end

    if j==num then
      turtle.turnLeft()
      for i=1,num-1 do
        turtle.forward()
      end
      turtle.turnRight()
      turtle.forward()
    end
  end
  count = count+1

end