3 ms·
in case for someone who didn't know: http://www.chiark.greenend.org.uk/~sgtatham/puzzles/ http://www.chiark.greenend.org.uk/~sgtatham/puzzles/
by adito 10y ago
in case for someone who didn't know: http://www.chiark.greenend.org.uk/~sgtatham/puzzles/ http://www.chiark.greenend.org.uk/~sgtatham/puzzles/