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The N Queens Puzzle

List of First Solutions

Chessboard Size 19 by 19

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

Diagram of the first possible solution to the "19 Queens on a 19 by 19 chessboard" puzzle
													Q
											Q
									Q
							Q
					Q
										Q
																	Q
															Q
						Q
																		Q
																Q
														Q
												Q
								Q
			Q
	Q
				Q
		Q
Q

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Based on a work at CSP Queens.
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