Bibi and Tina Sudoku

The two girls, Bibi and Tina took a little break from all the farm work, and decided to spend some time on their own, and play a good intelligence game. On their free time, the girls love to play mind games, because they are really smart, so, today they are playing sudoku. Have you ever heard of this game? If not, we will explain the not so easy but not that hard rules. You will be given a bigger square that has little squares inside where you have to place the objects that Bibi and Tina gave to you, in such manner that, no matter how you look at the square, every row contains a piece from that objects. Are you ready to test your intelligence and skills in this new game with Bibi and Tina?