0 x 0 - = 0, 1 x 1 - = 1, 2 x 2 - = 4, 3 x 3 - = 9, 4 x 4 - = 16, 5 x 5 - = 25, 6 x 6 - = 36, 7 x 7 - = 49, 8 x 8 - = 64, 9 x 9 - = 81, 10 x 10 - = 100, 11 x 11 - = 121, 12 x 12 - = 144,

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