base1

-- 20140827 first draft, untested

wid=13
flip=0
slot=1
block=1
exit=0
for x=1, wid do
  for y=1, wid do
    for z=1, wid do
      turtle.select(slot)
      if not turtle.forward() then
        turtle.dig()
        turtle.forward()
      end
      turtle.digDown()
      turtle.placeDown()
      block=block+1
      if block==65 then
        block=1
        slot=slot+1
        if slot=17 then
          exit=1
          z=wid
          y=wid
          x=wid
        end
      end
    end
    if flip==0 then
      flip=1
      turtle.turnRight()
      turtle.dig()
      turtle.forward()
      turtle.turnRight()
    elseif flip==1 then
      turtle.turnLeft()
      turtle.dig()
      turtle.forward()
      turtle.turnLeft()
  end
  turtle.up()
  turtle.turnRight()
  turtle.turnRight()
  turtle.dig()
  turtle.forward()
  turtle.turnLeft()
end