The On-Line Encyclopedia of Bongard Problems

No sequence starts with another vs. some sequence starts with another.

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	REFERENCE	`https://en.wikipedia.org/wiki/Prefix_code`
	CROSSREFS	`Adjacent-numbered pages: BP1289 BP1290 BP1291 BP1292 BP1293 *`
	KEYWORD	`allsorted, notso, preciseworld, dithering, collection`
	AUTHOR	`Leo Crabbe`

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