fellTree

success, block = turtle.inspect()

if block.name == "minecraft:log" then
  turtle.dig()
  turtle.forward()
  counter = 0
  while true do
    success, block = turtle.inspectUp()
    if block.name == "minecraft:log" then
      turtle.digUp()
      turtle.up()
      counter = counter + 1
    else
      while counter ~= 0 do
        turtle.down()
        counter = counter - 1
      end
      turtle.turnRight()
      tuerlt.turnRight()
      turtle.drop()
      return
    end
  end
end