Solution to Magic Square no 1 (4 x 4)

Magic Square no 1 (4 x 4)

I created this puzzle using a C program, which I wrote myself, and the UNIX / Linux cat and grep commands.

Place numbers in the empty squares until the grid contains each of the numbers 1 to 16 exactly once. The sum of each row, column and diagonal must be the same.

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Hidoku no 3 (4 by 4)

Now I need to try out various puzzle sizes to see if my program can create them successfully. This is a 4 by 4 puzzle, which is also quite easy.

Here is a reminder of the rules. I arranged the numbers 1 through 16 in ascending order on the grid below before removing some of them at random. Your job is to replace the numbers I have removed. When you have finished, the grid must contain all the numbers 1 through 16 exactly once and cells with consecutive numbers must be joined horizontally, vertically or diagonally:

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