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Instructions |
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Akari Battleships Cryptic Crossword Dominoes Easy as ABC Futoshiki Fillomino Killer Sudoku MegaDominoes Ripple Effect Samurai Sudoku Skyscrapers Slants SlitherLink Spiral Galaxies Sudoku Sudoku X Tents and Trees |
1. Puzzle Description Lights are to be placed in the empty squares of the grid. These lights shed light only horizontally and vertically. Place lights so that:
2. Applet Description Move the selected square (indicated in light blue) using the arrow keys or mouse. Press 'L' to place a light in a square. Beams will indicate which squares are lit by this light. Press 'delete' or 'backspace' to indicate that a square cannot contain a light. Press 'space' to empty a square. 3. Errors Button The errors button indicates all pairs of lights which shine light on each other, as well as all numbered squares which have too many lights adjacent. 4. Solved Button The solved button indicates that you have solved the puzzle if the placed lights obey all of the rules. The squares that are indicated as definitely empty have no effect. |