--1-red
--2-black
--3-white
--4-glass
myArt = {
{4,4,4,4,4,4,4,4},
{4,4,4,4,2,2,4,4},
{4,4,4,2,1,1,2,4},
{4,4,2,1,3,1,2,4},
{4,2,1,1,1,2,4,4},
{4,4,2,1,1,1,2,4},
{4,4,4,2,1,1,2,4},
{4,4,4,4,2,2,4,4},
{4,4,4,4,4,4,4,4}
}
function buildline(line)
   for i = 1,#line do
     slot=line[i]
     turtle.select(slot)
     turtle.placeDown()
     turtle.forward()
   end
   for i=1,#line do
     turtle.back()
   end
   turtle.turnRight()
   turtle.forward()
   turtle.turnLeft()
end

for i = 1,10 do
  line = myArt[i]
  buildline(line)
end