See BP796 for the version with pictures of Bongard Problems (@miniproblems) instead of @links to pages on the OEBP.
See BP1160 for the version about an all-black panel instead of all-white.
See BP796 for the version with pictures of Bongard Problems instead of links to pages on the OEBP.
Left-sorted BPs have the keyword "left-null" on the OEBP.
Right-sorted BPs have the keyword "right-null" on the OEBP.
