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Medium
Lights #720 · 6×6
Your game is saved in this browser as you play.Rules of Lights
- 6×6board
- 19lights on
- 8presses to solve
- 36cells
Lights #720 is a 6×6 board at medium level. It starts with 19 of its 36 lights on, and the one solution needs 8 presses.
Row 2 is the brightest, with 5 lights on. If you chase from the top, that is where most of the work happens.
One corner light is on. A corner light has only two neighbours, so it is changed by just three presses: itself and the two lights next to it.
On medium boards, chase the lights down row by row, then use what remains at the bottom to decide the presses in the top row.