tChopper

mx, my, mz = gps.locate()
function right()
  turtle.turnRight()
  turtle.dig()
  turtle.forward()
  turtle.digUp()
  turtle.turnRight()
end
function left()
  turtle.turnLeft()
  turtle.dig()
  turtle.forward()
  turtle.digUp()
  turtle.turnLeft()
end
while true do
  reach = tonumber(7)
  level = 1
  while turtle.detect == false do
    turtle.select(1)
    turtle.place()
    sleep(.5)
    turtle.select(15)
  end
  while turtle.compare() == false do
    turtle.select(14)
    turtle.place()
    sleep(.5)
    turtle.select(15)
  end
  turtle.select(1)
  turtle.turnRight()
  turtle.forward()
  turtle.forward()
  turtle.forward()
  turtle.turnLeft()
  turtle.back()
  turtle.back()
  dLevel = 1
  mNumber = 1
  LTR = true
  while (level-1) <= reach do
    if(mNumber == 7)then
      dLevel = dLevel + 1
      if(dLevel%2 == 0)then
        if LTR then
          left()
        else
          right()
        end
      else
        if LTR then
          right()
        else
          left()
        end
      end
      mNumber = 1
    end
    if(dLevel == 7)then
      turtle.digUp()
      turtle.up()
      if level%2 == 0 then
        turtle.dig()
      else
        turtle.dig()
      end
      dLevel = 1
      level = level + 1
      if level%2 == 0 then
        LTR = false
      else
        LTR = true
      end
      if level == reach then
       while turtle.down() do
       end
       turtle.turnRight()
       turtle.forward()
       turtle.forward()
       turtle.forward()
       turtle.turnLeft()
      end
    end
    if(turtle.detectUp())then
      turtle.digUp()
    end
    if(turtle.detect())then
      turtle.dig()
    end
    turtle.forward()
    mNumber = mNumber + 1
  end
end