arg = {...}
c = 1
turtle.select(1)

function place ()
turtle.placeDown()
item()
turtle.place()
item()
turtle.placeUp()
item()
turtle.back()
end

function item ()
if (turtle.getItemCount(c) == 0) then
c = c +1
turtle.select(c)
end
end

function row ()
for i=1, arg[1], 1 do
place()
end
turtle.place()
item()
turtle.turnRight()
turtle.turnRight()
end

turtle.turnRight()
turtle.turnRight()
row()