Tic Tac Toe Sandwich Recipe

Spread 1 tsp mayonnaise on each bread slice. Layer cheese and ham on one bread slice. Top with remaining slice. Trim crust from sandwich. Cut sandwich into 9 squares by cutting into thirds in each direction. Turn alternating pieces over to form checkerboard pattern. Thinly slice 1 olive to form O's. Cut remaining 2 olives into strips. Place olive pieces on sandwich squares to from X's and O's.