Bongard Problems that break the rules or spirit of Bongard Problems but are interesting enough to keep in the database.
See BP829 and BP968 (flipped) for versions with pictures of Bongard Problems (miniproblems) instead of links to pages on the OEBP.
Adjacent-numbered pages: BP517 BP518 BP519 BP520 BP521  *  BP523 BP524 BP525 BP526 BP527
meta (see left/right), links, keyword, right-self, sideless
bp [smaller | same | bigger]
Aaron David Fairbanks