To assemble ribbon sandwiches, place one slice white bread on cutting board. Spread 5 tablespoons cheese and olive filling over white bread. Top with 1 slice wheat bread; spread with 1/4 cup turkey filling. Top with 1 slice white bread; spread with 1/4 cup shrimp filling. Top with 1 slice wheat bread. Repeat process 3 more times to make a total of 4 sandwich stacks. Wrap each in plastic wrap; refrigerate at least 4 hours but no longer than 24 hours.