Puzzles/Bongard problems/Solutions

Please note that as of September 26, 2019, Harry Foundalis has added new problems to his index and changed a number of old ones. He has also supplied official solutions at. Thus, the table provided here is obsolete.

The table shows what is differentiated from the left and right.

The problems themselves are available at www.foundalis.com/res/bps/bpidx.htm.