-- 0 - empty
-- 1 - black
-- 2 - yellow
-- 3 - red
-- 4 -brown
art = {
  {0, 1, 1, 0, 0, 0, 0, 1},
  {0, 0, 2, 2, 0, 0, 0, 2},
  {0, 0, 0, 2, 2, 2, 2, 2},
  {2, 2, 0, 2, 1, 2, 2, 1},
  {2, 2, 0, 3, 2, 2, 2, 2},
  {0, 4, 2, 2, 2, 2, 2, 0},
  {0, 4, 2, 2, 2, 2, 2, 0},
  {0, 0, 2, 2, 4, 4, 2, 0},
}

for y = 1, #art do
    for x = 1, #art[y] do
      slot = art[y][x]
      if slot ~= 0 then
          turtle.select(slot)
          turtle.placeDown()
      end
      turtle.forward()
    end

    for i = 1, #art[y] do
      turtle.back()
    end
    turtle.turnRight()
    turtle.forward()
    turtle.turnLeft()
end