minetest.register_alias("illuna:welcome_block_v2_1", "illuna:instruction_block_1")
minetest.register_alias("illuna:welcome_block_v2_2", "illuna:instruction_block_2")
minetest.register_alias("illuna:welcome_block_v2_3", "illuna:instruction_block_3")
minetest.register_alias("illuna:welcome_block_v2_4", "illuna:instruction_block_4")