motris (motris) wrote,

Friday Puzzle #12 - Battleship Sudoku

This August marks the 3rd anniversary of my creation of Battleship Sudoku, which also marks the start of my puzzle publishing career as it lead within a few weeks to a contract for my first book. Sterling actually approached me (they had a Hasbro deal to find appropriate titles for, and a Battleship Sudoku book made sense to them) and I jumped head-first into writing whole books of puzzles after having constructed just a handful of puzzles (~six total) to that point in my life.

I've decided to mark this occasion with a 3-themed Battleship Sudoku. All rows and columns that have a "3" battleship clue in this puzzle are marked; the missing clues are therefore not threes. This puzzle is on the harder side of those I've written and requires some "meta" strategies that are not present in either battleships or sudoku separately.

Rules: Place the digits 1 to 9 into each cell so that no digit repeats in any row, column, or 3x3 region. Also, place each of the given ships into the grid so that they do not touch, even diagonally, and so that each number outside the grid indicates the number of ship segments in that row/column. The numbers given in the sudoku grid cannot belong to any ship.

Tags: battleship, battleship sudoku, fridaypuzzle, sudoku
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