#1236 Minecraft Education

file = fs.open('image','rb')

byte = file.read()

while byte ~= nil do

  if byte >= 48 and byte <= 57 then
    byte = byte - 48
    turtle.select(byte + 1)
    turtle.placeDown()
    turtle.back()
  elseif byte >= 97 and byte <= 102 then
    byte = byte - 97 + 10
    turtle.select(byte + 1)
    turtle.placeDown()
    turtle.back()
  elseif byte == 10 then
    turtle.turnRight()
    turtle.back()
    turtle.turnLeft()
    for i=1,4 do
      turtle.forward()
    end
  end

  print(byte)
  byte = file.read()
end

file.close()

11111
11111
11111
11111
11111

 111
 111
 111

  1