quarry

local tArgs = {...}
turtle.digDown()
turtle.down()
turtle.digDown()
turtle.down()
for l = 1, tArgs[2] do
   for p = 1, tArgs[1] do
      for i = 1, tArgs[1]-1 do
         turtle.forward()
         turtle.digUp()
         turtle.digDown()
         turtle.dig()
         turtle.forward()

         if p + i == tArgs[1] + tArgs[2] - 1 then
            turtle.digDown()
            turtle.down()
            turtle.digDown()
            turtle.down()
            turtle.turnRight()
            turtle.turnRight()
         end
      end
      if p ~= i then
         if p % 2 == 0 then
            turtle.turnLeft()
            turtle.digUp()
            turtle.digDown()
            turtle.dig()
            turtle.forward()
            turtle.turnLeft()
         else
            turtle.turnRight()
            turtle.digUp()
            turtle.digDown()
            turtle.dig()
            turtle.forward()
            turtle.turnRight()
         end
      end
   end
end