Left examples have the keyword "metameta" on the OEBP.
These are meta Bongard Problems with at least two layers of nesting.
See BP952 for the version that sorts pictures of Bongard Problems (miniproblems) instead of links.
Adjacent-numbered pages: BP542 BP543 BP544 BP545 BP546  *  BP548 BP549 BP550 BP551 BP552
meta (see left/right), links, keyword, left-self, metameta, metametameta, left-it, feedback
bp [smaller | same | bigger]zoom in left (metametabp)
Aaron David Fairbanks
Adjacent-numbered pages: BP1002 BP1003 BP1004 BP1005 BP1006  *  BP1008 BP1009 BP1010 BP1011 BP1012
meta (see left/right), links, keyword, left-self, metameta, metametameta, feedback, funny
bp [smaller | same | bigger]