Fill in the grid so that every row, column and 3x3 box contains the digits 1 through 9. Letters in cells stand
for the digits which contain them in spelling.
1–ONE           2–TWO           3–THREE       4–FOUR        
5–FIVE          6–SIX             7–SEVEN      8–EIGHT       9–NINE

When you have completed the puzzle, submit the sum of all the numbers in the highlighted squares to iletisim@bilkent.edu.tr.

E-mails 17 and 18 get a free game of bowling at Roll House.