+ { "menu.button_first_level", UNDEFINED_FILENAME },
+ { "menu.button_first_level.active", UNDEFINED_FILENAME },
+ { "menu.button_last_level", UNDEFINED_FILENAME },
+ { "menu.button_last_level.active", UNDEFINED_FILENAME },
+ { "menu.button_level_number", UNDEFINED_FILENAME },
+ { "menu.button_level_number.active", UNDEFINED_FILENAME },
+