You received a message. It was as follows:
We will add u where necessary, for now solve this on your own:
01DD01DD02790265028720028E028701DDu1D09u20pu025020p01DD0279pun02652001DDu1D09u
(0), (3)2, (3)2, (11), (16), !(11), (1), (26), (11), (35), !(35), (35), !(1)2, (43), (3)2, (62), !(16), (1), (35)
We will not! add u everywhere, so do not expect it to happen.
Note that some tags have been removed in order to make the puzzle more difficult.
l
is a little off. $\endgroup$