Technology
Can you solve it? Hamiltonian ingenuity on the grid – The Guardian – Queanbeyan Online News
Mental chicanery

Alex Bellos’s Monday puzzleMental chicaneryNo, not that Hamilton. I meant William Rowan Hamilton, the nineteenth century Irish mathematician.And not that sort of grid. I meant a square grid, like a chessboard or a Sudoku.Todays two puzzles do, however,……
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