This classic puzzle was invented by Dutch puzzlemaker Léon Balmaekers in 1990 and first published in Breinbrekers magazine. Since then, it has become a staple in puzzle competitions around the world, including the World Puzzle Championships, and has inspired numerous creative variations.
Rules
Shade some cells black to create a snake - a chain of blackened squares which doesn't touch itself even at a point. Begin and end of the snake are already given. Numbers outside show the number of cells occupied by the snake in the corresponding row or column.
Click to see the answer.