• Normal Sudoku rules apply.
• A gold cell contains its position within its row, column or box (in normal reading order).
For example the gold cell R4C6 contains either 6 (position in row), 4 (position in column) or 3 (position in box).
• All possible gold cells are given.
For example the white cell R8C2 does NOT contain 2 (position in row), 8 (position in column) or 5 (position in box).
Solution code: row eight
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