Stderr dk challenges

Since I didn't get to post it in @TrshPuppy 's chat: H4sIAAAAAAACA0vLL9JQyMwrUchUsFUwULAG0jYKRqZmYJa2toImF2caTEkWVEkWXEkWVAlnckZmTg5QlYIOUEzTmotLWcEvtbgkNUUhJz+/oFghMS9FAaxGT0+PCwAU0giXdAAAAA==

H4sIAAAAAAACA/swf8qWD/PnL/oAptHZU7ZwIQSxKZq/CIsCVMWUKIBgLmz2YjEB0/VYrMBmCl5fYFWAGRbkeBPVwQR8AXQDABUyLi+tAQAA

aWYgcGxheWVyX25hbWUgPT0gIlRyc2hQdXBweSI6CglwbGF5ZXJfY2xhc3MgPSBHT0JMSU4K

R29vZCBsdWNr