Numbers in a squareNew puzzle!
Patterns
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Place numbers 1,2,.., 9 without repetitions into a 3x3 square so that the sums in all rows, columns, and diagonals are all equal.
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Chess and checkers 1
Atypical puzzles, which are based on the chess (or checkers) rules.
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В три раза больше задач покажем сразу после регистрации