local block,type = turtle.inspect()
local tree = 0
local upTree = 0
local direct = 0

function chopTree()
 upTree = 0
 block,type = turtle.inspectUp()
 while type.name == "ic2:rubber_wood" do
  turtle.digUp()
  turtle.up()
  block,type = turtle.inspectUp()
  upTree = upTree + 1
 end
 for i = 1,upTree,1 do
  turtle.down()
 end
end

function cutRow()
 tree = 0
 while tree < 6 do
  tree = tree + 1
  if turtle.detect() == true then
   turtle.dig()
   turtle.forward()
   turtle.digDown()
   turtle.select(1)
   turtle.placeDown()
   chopTree()
   if tree == 5 then
	if direct == 0 then
	 turtle.forward()
	 turtle.forward()
	 turtle.turnLeft()
	 turtle.forward()
	 turtle.forward()
	 turtle.forward()
	 turtle.turnLeft()
	 direct = direct + 1
    else
	 turtle.forward()
	 turtle.forward()
	 turtle.turnRight()
	 turtle.forward()
	 turtle.forward()
	 turtle.forwardRight()
     direct = direct - 1
    end
   else
	turtle.forward()
	turtle.forward()
   end
	turtle.select(1)
  else
   if tree == 5 then
	if direct == 0 then
	 turtle.forward()
     turtle.forward()
	 turtle.forward()
	 turtle.turnLeft()
	 turtle.forward()
	 turtle.forward()
	 turtle.forward()
	 turtle.turnLeft()
	 direct = direct + 1
	else
	 turtle.forward()
     turtle.forward()
	 turtle.forward()
	 turtle.turnRight()
	 turtle.forward()
	 turtle.forward()
	 turtle.forward()
	 turtle.turnRight()
     direct = direct - 1
	end
   else
    turtle.forward()
    turtle.forward()
	turtle.forward()
   end
  end
 end
end

cutRow()