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Sherlock Holmes vs. Jack the Ripper Hints
How can I solve the upstairs room's puzzle box?
1 of 10: Notice that there are 20 different one-digit numbers on light-colored wooden pieces in the center of the board, plus one more one-digit number in the middle of a large square that partially overlaps the wooden pieces.
2 of 10: You can click on any of the gray metal squares to move the large square to where its number is on the metal square you clicked on. Try that a few times to see how it works.
3 of 10: Depending on where the large square is, it'll be overlapping anywhere from one to three wooden number pieces. (Or maybe even more later on, after some wooden pieces have been eliminated.)
4 of 10: What you want to do is move the large square to where the sum of the numbers on the wooden pieces it's overlapping is equal to the number that's in the large square's center.
5 of 10: Note that the game only pays attention to the rightmost digit of the sum. That means larger sums could actually work as long as the rightmost digit was equal to the number in the large square.
6 of 10: For instance, if the large square had a 5 in its center, you'd want to move it to where it would overlap just a 5, or a 1 and a 4, or a 2 and a 3, or a 9 and a 6 (since that adds up to 15, which ends in a 5), etc.
7 of 10: Once you have it set, click on the big "Accept" button at the bottom of the puzzle screen. If the sum's rightmost digit is the same as the large square's number, all of the wooden pieces within the large square's borders will be removed, leaving gray metal squares.
8 of 10: Your goal is to use this process to remove all of the wooden number pieces from the board.
9 of 10: The puzzle is random, and you can re-randomize it by exiting it and then clicking on the puzzle box again. Do this if you get stuck, or if you're hoping to get an easier puzzle. (Neither should happen, though, since this is a fairly easy puzzle to solve.)
10 of 10: TIP: You could move the large square to all of its possible locations that overlap wooden pieces and hit "Accept" on each one until you get lucky, then repeat. This becomes more and more easy to get away with as wooden pieces are eliminated.