This involves analyzing rows, columns, and subgrids to determine which numbers can be eliminated or placed in a specific cell. zh twadvanced sudoku technique From its humble beginnings in 18th-century Europe as Latin Squares, through Dudeney's Number Place in the early 20th century, and finally to its worldwide fame in the 21st century, Sudoku has proven to be a timeless and enduring puzzle that continues to challenge and delight puzzle enthusiasts everywhere.
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