8.31

-- 1 - white
-- 2 - blue
-- 3 - glass

image = {

{1, 2, 2, 2, 1},
{2, 0, 0, 0, 2},
{2, 0, 0, 0, 2},
{2, 0, 0, 0, 2},
{1, 2, 2, 2, 1},
}
function buildline(line)
    for i = 1,#line do
      slot=line[i]
      if slot ~= 0 then
        turtle.select(slot)
        turtle.placeDown()
      end
      turtle.forward()
    end
    for W = 1,#line do
        turtle.back()
    end
    turtle.turnRight()
    turtle.forward()
    turtle.turnLeft()
end

for i=1, #image do
    buildline(image[i])
end