ccb_v2 0 Report post Posted January 13, 2006 "draw (or imagine) a 4x4 grid of sixteen empty boxes,|_|_|_|_||_|_|_|_||_|_|_|_||_|_|_|_|within this grid you need to arrange sixteen shapes:@@@@####$$$$%%%%such that there is one of each shape in each row, each column, and each of the four 2x2 quarters of the grid."the examples here@#$%#$%@$%@#%@#$$@%##$@%%#$@@%#$(which break the third rule and are not solutions), are the same constellation, simply mirrored and use different sequences of shapes.Question: how many _constellations_ are there that meet the criteria of the puzzle? Share this post Link to post Share on other sites
Killer008r 0 Report post Posted January 16, 2006 These are too easy. Share this post Link to post Share on other sites
pyost 0 Report post Posted January 16, 2006 Are you sure this is possible? Even if you try, everytime you get two same characters in at least one 2x2 area. Where did you find this? Share this post Link to post Share on other sites