. . .
Alternatively, BP pages on the OEBP with number less than or equal to 394 vs. other BP pages.
https://www.foundalis.com/res/bps/bpidx.htm
Adjacent-numbered pages: BP1189 BP1190 BP1191 BP1192 BP1193  *  BP1195 BP1196 BP1197 BP1198 BP1199
Foundalis's collection includes all Bongard Problems by Bongard.
meta (see left/right), links, right-self, time
Aaron David Fairbanks
Bongard Problems sorted left have the keyword "bordercontent" on the OEBP.
All of Bongard's original Problems have whitespace around the border of all examples.
Adjacent-numbered pages: BP1191 BP1192 BP1193 BP1194 BP1195  *  BP1197 BP1198 BP1199 BP1200 BP1201
meta (see left/right), links, keyword
Bongard Problems sorted left have the keyword "dithering" on the OEBP.
Bongard's original Problems never involved shades of gray. They were just black and white drawings.
Adjacent-numbered pages: BP1193 BP1194 BP1195 BP1196 BP1197  *  BP1199 BP1200 BP1201 BP1202 BP1203