Adjacent-numbered pages: BP849 BP850 BP851 BP852 BP853  *  BP855 BP856 BP857 BP858 BP859
left-finite, right-finite, left-full, right-full, finished, experimental, funny
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Aaron David Fairbanks
"Allsorted" Bongard Problems (BP875left) always fit as right examples.
Left examples are never "allsorted".
Adjacent-numbered pages: BP873 BP874 BP875 BP876 BP877  *  BP879 BP880 BP881 BP882 BP883
hard, challenge, meta (see left/right), miniproblems, creativeexamples, assumesfamiliarity, structure, presentationinvariant
bpimage_shapes_exact_sort [smaller | same | bigger]zoom in left | zoom in right (bpimage_shapes_exact_sort_no_midway)