[FTB Turtle] Gravel -> Flint Program

    local args = { ... }

    if #args >= 1 then
      local slot = tonumber(args[1])

      if slot and slot >= 1 and slot <= 16 then
        turtle.select(slot)
      end
    end

    while true do
      if not turtle.place() then
        break
      end
      if not turtle.dig() then
        break
      end
    end