by Dave Savitt
constructed by Tim Peeters
cross-sum is standard, but fairly nasty.
cross-sum is in the accompanying image.
highlighted numbers are: 8465 3478 2965.
should recognize this number format -- three four-digit
-- as the format of FedEx tracking numbers.
(If you drop
three four-digit numbers into google, it will offer to use them
FedEx tracking number, so that's another way to get the aha.
this tracking number. You find that the
package was delivered
that address, find the package, and retrieve from it: a keyboard
which is the answer to this puzzle.
(Use KEY for the first-round