Swipe the game board to move all tiles left, right, up, or down. When two tiles with the same number touch, they merge into one with a double number, i.e. 2+2 merge into 4, 4+4 merge into 8 and so on.

The Rubik’s Cube is an unusual thing. Almost everyone knows what it is but rarely anyone can solve it. Solving it quickly is even rarer; less than 1000 people in India can do it in around 10 seconds.

Charlie Eggins has broken the world record in blindfolded Rubik's cube solving Toby Seufert won the 2023 National Speedcubing Championship in the 3x3 division The two boys became friends at a 2021 ...

This document gives an overview of the SAT problem, and how to use a SAT solver to solve a given problem. It is intended for users of such solvers. It does not describe strategies, algorithms or ...