The On-Line Encyclopedia of Bongard Problems

Top piece can slide into bottom area in such that there is an unbroken black horizontal region vs. not so.

(edit; present; nest [left/right]; search; history)

	COMMENTS	`Successful moves in Tetris.`
	CROSSREFS	`Adjacent-numbered pages: BP1085 BP1086 BP1087 BP1088 BP1089 * BP1091 BP1092 BP1093 BP1094 BP1095`
	KEYWORD	`precise, teach, culture, pixelperfect`
	AUTHOR	`Leo Crabbe`

		Hints
(Greetings from The On-Line Encyclopedia of Bongard Problems!)