This is the scond time that I presente this puzzle. The Quatro contains 4 Sudokus and I hope you would enjoy these two puzzles. First:
The printable files PDF.
Puzzle: quad_00001.pdf
Solution : quad_00001_sol.pdf
And the second one.
The printable files PDF.
Puzzle: quad_00002.pdf
Solution : quad_00002_sol.pdf
Enjoy !!