Some people like crossword puzzles, some are serious sudoku ninjas ... and we’re glad of it! Want to see a cube solve itself? (kind of) here you go. And let’s finish on a, topical subject ...

Mathematicians have uncovered a powerful pattern known as the 'Phistomefel Ring' - and it's hidden in every Sudoku ever made.

The cube has six faces, but cubers view it as three "layers" — bottom, middle, top, like a cake. Layer by layer they solve strategic groups of edge and corner cube pieces, or "cubies." ...