+void zero_pawns(unsigned int pawn_array[board_size][board_size]);
+void init_pawns(unsigned int pawn_array[board_size][board_size]);
+unsigned int get_box_value(int y, int x, unsigned int pawn_array[board_size][board_size]);
+void set_pawn(int y, int x, unsigned int type, unsigned int pawn_array[board_size][board_size]);