Sudoku 6,689 hard

theguardian.com - 07/Nov 00:01

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9.

theguardian.com - 06/Nov 00:01

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9.

theguardian.com - 05/Nov 00:01

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9.

theguardian.com - 11/Nov 00:00

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9.

theguardian.com - 13/Nov 00:00

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9.

theguardian.com - 00:01

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9.

theguardian.com - 00:01

Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9.

theguardian.com - 17/Nov 00:01

Fill the grid using the numbers 1 to 9. Each number must appear just once in every row, column and 3x3 box.

theguardian.com - 17/Nov 00:01

Fill the grid using the numbers 1 to 9. Each number must appear just once in every row, column and 3x3 box.

eurasiareview.com - 09/Nov 02:04

On 24 October, Jay Bhattacharya, once derided by Anthony ‘Mr Science’ Fauci as a fringe epidemiologist, was awarded the Zimmer Medal for...

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