udosuk wrote:
They're more for kids under 5... If anyone has trouble solving any 4x4 puzzles I'd suggest they stay away from any forms of Sudoku...
I gave this puzzle to two of the three people that I had mentioned before:
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6 5 55
6 66 5

8 8 6 5
8 5 55
(Each diagonal must contain the numbers 14 as well as each row, column and block. The lines show breaks between cages of the same number.)
One of these people solved the puzzle easily. The other one thought that 1+2+3+4=9 and wrote r2c3=5 and had to start again. He was much older than 5. Therefore I am not so sure about the truth of that statement.
I had another attempt at the 5x5. I put two 4s in row 4.
Then I had yet another attempt at it and eventually completed it. Next time I will NOT do SuDokus in ballpoint pen.