Do you remember the Great Sudoku Cornsnake of '79?
99My solve of "The Great Cornsnake of '79" by rockratzero, a fog sudoku hiding a Modular Line Snake with an Outside Line Sums constraint.
Solve in Sven's SudokuPad WebApp: https://tinyurl.com/rrz-cornsnake79
📋 Puzzle Rules
• Normal Sudoku rules apply.
• A snake hides in the mists. Only the head and tail are visible. As the fog lifts, it will reveal the snake's true extent.
• Modular Line Snake - The digits on the snake (green line in the grid) form a modular line, meaning every three subsequent digits on the snake will form a full set of modulo 3 digits, ie one each from [147], [258], [369].
• Snake Rules: The snake visits all 9 boxes, only connects cells orthogonally, and never touches itself, even diagonally.
• Outside Clues - Values outside the grid sum the digits on the first section of snake seen from that clue in its row or column. For instance, if the snake was oriented horizontally in row 8, occupying column 7 and 8, that would mean cells r8c7 and r8c8 would add to 10. Note that some clues may be able to be satisfied by only one cell.
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