print("How Long: ")
X = read()
print("How Many sets of columns: ")
Y = read()
Slot = 1
turtle.select(Slot)
turtle.up()
turtle.dig()
turtle.forward()
turtle.suckDown()
for n = 1, Y do
  for n = 1, 2 do
    for n = 1, X do
      while turtle.getItemCount(Slot) == 0 do
        Slot = Slot + 1
      end
      turtle.select(Slot)
      turtle.placeDown()
      turtle.dig()
      turtle.forward()
      turtle.suckDown()
    end
    turtle.turnRight()
    turtle.turnRight()
    for n = 1, X do
      turtle.dig()
      turtle.forward()
      turtle.suckDown()
    end
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.suckDown()
    turtle.turnLeft()
  end
  turtle.turnRight()
  turtle.forward()
  turtle.turnLeft()
end
turtle.turnLeft()
for n = 1, 7 do
  turtle.forward()
end
turtle.turnRight()
turtle.back()
turtle.down()