Rules: Each white hex must contain either a red, green or blue light bulb. Light bulbs of the same color cannot be in neighboring hexes. Each white hex must be lit by all three colors of light (including those that already have light bulbs in them). Light travels away from light bulbs in six ray...

Гӓд ӓв aӱӑ фɑҙӑз, нӑӱн ӓв ӑӱлд, Лӧд ӑӱвӑр aӱӑ фɑфләң хйuмӑн рёс, Бӥнiҫ хuз iтɜнл лӧ в̈i хӑӱлд Дӑмӥнйӑн ӑӱвӑ ләнд әнд спёс - Лӧд гӓд ӓв нёшӑнз, йuнaӥт әс йɛт, Бaӥ ҙaӥ лӧ, ҙi ессене мӓрӑл ёбiсi ӓв ҙӑ фрi Лɛст в̈i фӑгɛт - лɛст в̈i фӑгɛт! Фɑ-кӧлд aӱӑ нёвiз мɛлт ӑв̈ё, Ӓн дйuн әнд хɛдл...

There are N light bulbs in a row, numbered 1 through N from left to right. Each bulb can be in one of the states "on" or "off". Initially, all the bulbs are "off". Each bulb is also connected to its (at most two) adjacent bulbs by wires. You should reach a state described by a given a binary stri...

Those are all of the numbers you need. No, I did not forget any. Normal sudoku rules apply. All numbers, except for 1's and 9's, are queens with respect to themselves. E.g. 2's have the queen's constraint against other 2's but not against 3's. All numbers must be rotationally symmetric with ...

You must add red, green and blue light bulbs to the grid to satisfy these rules. Each white hex must contain either a red, green or blue light bulb, or an X. You can't add Xs yourself. Light bulbs of the same color cannot be in neighboring hexes. Each white hex must be lit by all three colors of...

My prefix cooks your food. My suffix tastes your food. My infix steals your food. My whole keeps your food.