3 9 x x x x 4 x 8 x x x x 2 x x x x 3 x x 5 x 7 x 6 x x 8 x x x x x x x 9 x x 3 x 1 x 5 x x x 6 x x x x x 4 x x 7 x x 6 x x x x 4 x x x x 5 x 1 x x x 2 3 x x x x x https://www.sudokuwiki.org/Weekly-Sudoku.aspx unsolvable #705 9 2 6 ║ 1 3 4 ║ 7 8 5 7 1 8 ║ 2 5 6 ║ 4 9 3 3 4 5 ║ 8 7 9 ║ 6 2 1 ══════╬═══════╬══════ 8 5 4 ║ 6 2 3 ║ 1 7 9 2 9 3 ║ 4 1 7 ║ 5 6 8 1 6 7 ║ 5 9 8 ║ 3 4 2 ══════╬═══════╬══════ 5 7 1 ║ 9 6 2 ║ 8 3 4 4 3 9 ║ 7 8 5 ║ 2 1 6 6 8 2 ║ 3 4 1 ║ 9 5 7