Home Breaking News The three paths, the mathematical enigma of the “World” no. 36

The three paths, the mathematical enigma of the “World” no. 36

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The three paths, the mathematical enigma of the “World” no. 36

In the 5×7 grid below there are three pawns (one white, one gray, and one black), as well as three flags of these same colors. Pawns only move one square at a time and only horizontally or vertically, never diagonally. The flags do not move.

Can you color each of the thirty-five squares on the grid white, gray, or black so that each pawn can reach its flag by passing only through the squares of its color?

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The black pawn and flag are on the edge of the grid, so the black path cuts the grid into two zones: one above and one below. For white and gray to be connected, the black path must necessarily pass below the gray pawn and above the white pawn, resulting in the following unique solution.

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