Transient for: %lu
Honen behin-behinekoa: %lu a, b". * In this case, the first string is "a", the second * string is ", " and the third string is "b". * We can then use this information here to also * recursively build longer lists, like "a, b, c, da, b, c" * In this case, the first string is "a, b", the second * string is ", " and the third string is "c