Perfect Squares
DO NOT PUT SPACES! Use x for multiplication and ^ for the exponent. For example, 3x3 or 3^2 5 6 7 8 12 11 10 9 16 15 14 13 5 4 3 2 1 10 9 8 7 6 15 14 13 12 11 16 17 20 19 18 21 22 23 24 25 4x4 4^2 16 5x5 5^2 25 12 10 9 7 5 4 3x3 4x4 5x5 7x7 8x8 9x9 10x10 11x11 12x12 3^2 4^2 7^2 8^2 9^2 10^2 11^2 12^2 9 25 64 81 121