En resumen

(1) (a + b + c + d + e) + (e - d + c - b + a) = 2c mod 82a + 2c + 2e = 2c mod 82(a + e) = 0 mod 8a + e = 4(2) (a, e) = {13, 22, 31} - - - > 5a + e = {8, 12, 16} - - - > 25 - (5a + e) = {17, 13, 9 } - - - base 5 - - - {32(5), 23(5), 14(5)}C. A max = 32(5).

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Atrox
10

(1) (a + b + c + d + e) + (e - d + c - b + a) = 2c mod 82a + 2c + 2e = 2c mod 82(a + e) = 0 mod 8a + e = 4(2) (a, e) = {13, 22, 31} - - - > 5a + e = {8, 12, 16} - - - > 25 - (5a + e) = {17, 13, 9 } - - - base 5 - - - {32(5), 23(5), 14(5)}C.

A max = 32(5).