Adjacent-numbered pages: BP396 BP397 BP398 BP399 BP400  *  BP402 BP403 BP404 BP405 BP406
traditional
Hans Welling
Adjacent-numbered pages: BP397 BP398 BP399 BP400 BP401  *  BP403 BP404 BP405 BP406 BP407
spectrum, traditional, continuous
Adjacent-numbered pages: BP398 BP399 BP400 BP401 BP402  *  BP404 BP405 BP406 BP407 BP408
Adjacent-numbered pages: BP399 BP400 BP401 BP402 BP403  *  BP405 BP406 BP407 BP408 BP409
Adjacent-numbered pages: BP400 BP401 BP402 BP403 BP404  *  BP406 BP407 BP408 BP409 BP410
Adjacent-numbered pages: BP401 BP402 BP403 BP404 BP405  *  BP407 BP408 BP409 BP410 BP411
Adjacent-numbered pages: BP402 BP403 BP404 BP405 BP406  *  BP408 BP409 BP410 BP411 BP412
Adjacent-numbered pages: BP403 BP404 BP405 BP406 BP407  *  BP409 BP410 BP411 BP412 BP413
Adjacent-numbered pages: BP404 BP405 BP406 BP407 BP408  *  BP410 BP411 BP412 BP413 BP414
. . .
Left-sorted Bongard Problems have the keyword "easy" on the OEBP.
Right-sorted Bongard Problems have the keyword "hard" on the OEBP.
"Easy" means easy for human beings to solve, not computers.
Adjacent-numbered pages: BP496 BP497 BP498 BP499 BP500  *  BP502 BP503 BP504 BP505 BP506
spectrum, subjective, meta (see left/right), links, keyword, sideless
bp [smaller | same | bigger]
Aaron David Fairbanks