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I wish to generate sudoku puzzles of size 16 x 16. Following the documentation, I tried to do so by running the following command:

./gss -g -t template16.txt
[template16.txt](https://github.com/bartp5/gss/files/4994551/template16.txt)

The output console says: Warning, sudoku has at least 11 solutions. Stopped searching for more. Found 11 solutions in 4.350900e-02s. But I don't know where are the solutions being written?

Also, how should I go about generating random puzzles without any template while also ensuring that they have unique solutions?
I am attaching the template file that I used.

In the Makefile, you need to give link flags in the end. It should look like $(CC) $(CFLAGS) -o gss $(OBJ) $(LFLAGS). Otherwise, we get the linking error pasted at the end of this msg. Have a look at this post which helped me figure it out: https://stackoverflow.com/questions/11336477/gcc-will-not-properly-include-math-h

While compiling, I got the following error with the existing make file:

sudoku_generator.c:(.text+0x5bd): undefined reference to `round' sudoku_generator.o: In function `Rotate180': sudoku_generator.c:(.text+0x6b5): undefined reference to `round' sudoku_generator.o: In function `Rotate90': sudoku_generator.c:(.text+0x8f4): undefined reference to `round' sudoku_generator.o:sudoku_generator.c:(.text+0xd7f): more undefined references to `round' follow collect2: error: ld returned 1 exit status Makefile:46: recipe for target 'gss' failed make: *** [gss] Error 1