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The N Queens Puzzle

List of First Solutions

Chessboard Size 23 by 23

1, 3, 5, 2, 4, 9, 11, 13, 18, 20, 22, 19, 21, 10, 8, 6, 23, 7, 16, 12, 15, 17, 14

Diagram of the first possible solution to the "23 Queens on a 23 by 23 chessboard" puzzle
													Q
																Q
														Q
											Q
															Q
						Q
																						Q
					Q
							Q
									Q
																				Q
																		Q
																					Q
																			Q
																	Q
												Q
										Q
								Q
			Q
	Q
				Q
		Q
Q

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This web pagedocument was created and is maintained by Martin S Pearson.
Copyright © 2008–2023 Colin S Pearson and Martin S Pearson. Some rights reserved.

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Based on a work at CSP Queens.
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