We’re sixteen weeks into Hack Your City, so maybe it’s time to talk

Tokyo

 

the largest metropolitan region within the international. Tokyo, which homes and employs a complete 30% of Japan’s population, is in which New Yorkers visit sense small. Like any metropolis of its length, it’s were given greater to do than you can discover in a lifetime. But it’s exceedingly smooth, secure, and vacationer-friendly.

Each Monday on Hack Your City, we ask readers for your excellent tips on a town: riding recommendations, restaurant recs, things to do, and some other advice for traffic and locals. Then on Thursday, we gift the nice remarks. We’re operating our manner around the U.S. And around the globe.

Tokyo residents and longtime site visitors, how the need to a brand new traveler take in your metropolis with out carrying themselves out? What are overestimated and underrated? What are the fine alternatives to the default options? What mistakes do visitors make, and how will you avoid them?

What are the easiest locations to head as an American traveler, and what are the maximum profitable locations to go in case you’re extra acquainted with the language, the subculture, and the city?

What’s the high-quality way to use one day in Tokyo, or one week, or a whole 12 months?What’s maximum beneficial when you live right here longterm? What are the nice neighborhoods to visit, and what are their vibes? Where the need to a younger traveler go, and wherein ought to an older vacationer? What’s suitable for families?

We’ll celebrity the nice comments, and feature a few highlights in a brand new put up on Thursday.

These intriguing math-based puzzles are easier to solve than you might think, and they are a fun tool for sharpening mental arithmetic skills as well. Here are some great tips for those who are new to Kenken puzzles, and you’ll be familiar with the logic of most of them if you already do Sudoku puzzles.

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TIP 1: USE LOGIC NOT GUESSWORK
Kenken puzzles are like Sudoku puzzles in this respect. If you make a mistake it’s never apparent straight away and when you do discover it ‘s almost always impossible to retrace your steps and start again. Therefore use elimination and only fill in a number if you are 100% sure it’s correct. In the simple puzzles, there is sometimes a cage with only one cell so only one number can go in. There, you’ve started.

TIP 2: WRITE DOWN THE NUMBERS YOU CAN ONLY USE
So if, for example, you are solving a 4 x 4 write the numbers 1 through to 4 somewhere near the grid. It’s good to always have the different numbers combinations and their relationships in your mind at all time. This is easier if you can see the numbers.

TIP 3: WRITE-IN CANDIDATES
Kenken puzzles are also like Sudoku puzzles in that it’s a good idea to write in candidates in the cells. Candidates are lists of numbers that could go in a particular cell and they can be penciled in the corner of it. You will find that later on, you will be able to narrow these down to one single candidate as you start solving.

TIP 4: USE SCANNING TO ELIMINATE CANDIDATES

Tips

With Kenken puzzles know that the number can only appear once in any row or column. So if you find a number it’s eliminated from both the row and column that intersects that particular cell. Numbers can be therefore eliminated from candidate lists when cells are solved using this logic.

TIP 5: LOOK FOR ROWS AND COLUMNS THAT ARE ALMOST FINISHED
If a row or column has only one cell left unsolved then as you cannot repeat a number there is only one number that can go in it. For example, if you had a row or column of five with the numbers 2, 1, 5 and 3 already filled in then the last unfilled cell must contain a 4.

TIP 6: USE MATHS
Remember that Kenken puzzles use math, and this can further eliminate candidates.
For example, if you are solving a 6 by 6 grid and you have a cage that has a sum equal to 11 then there are only two numbers that can go in, 6 and 5 so we can put them as the only candidates. Always look for cages like this where only a few numbers can go in.

TIP 7: LOOK FOR PAIRS AND TRIPLES

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Above are an example of pairs, and yet again this makes Kenken puzzles similar Sudoku ones. So, if you have two cells in a row or column where only two numbers can go, then those cells can be eliminated from other candidate lists in that row or column.

TIP 8: BE FLEXIBLE IN YOUR THINKING
If you get stuck switch techniques, i.e. go from looking for pairs and triples to scanning. When we get stuck in puzzles it’s usually because we’ve missed something and changing approach can usually uncover something we have overlooked.

TIP 9: COME BACK TO IT LATER
Even the best solvers get stuck once in a while. If you really are stuck save what you have done and come back to it another time. With a fresh mind, you will spot something that you missed before.

Kenken puzzles are great fun so happy solving!

Michael Tarifa is a self-confessed puzzle junkie. Through his weekly puzzle secrets ezine, he also provides great information on how to enjoy and solve all kinds of popular puzzles, and also how puzzles can help in mental well being. F