Digger

write("How many blocks should I dig forward?")
local blocksForward = tonumber(read())
for i = 1,( blocksForward/2) do

for i = 1, (blocksForward-1) do
if turtle.detect() then
  turtle.digUp()
  turtle.dig()
  turtle.forward()
  else
  turtle.forward()
end
end

turtle.turnLeft()
turtle.dig()
turtle.digUp()
turtle.forward()
turtle.turnLeft()
turtle.forward()


for i = 1, (blocksForward-1) do
if turtle.detect() then
  turtle.digUp()
  turtle.dig()
  turtle.forward()
  else
  turtle.forward()
end
end

turtle.turnRight()
turtle.dig()
turtle.digUp()
turtle.forward()
turtle.turnRight()
turtle.forward()

end