The On-Line Encyclopedia of Bongard Problems

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BP222

Border of black rectangle is incomplete vs. border of black rectangle is complete.

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	CROSSREFS	`Adjacent-numbered pages: BP217 BP218 BP219 BP220 BP221 * BP223 BP224 BP225 BP226 BP227`
	KEYWORD	`traditional`
	CONCEPT	`imperfection_small (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP223

Large black region if completed is a circle vs. large black region if completed is an ellipse.

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	CROSSREFS	`Adjacent-numbered pages: BP218 BP219 BP220 BP221 BP222 * BP224 BP225 BP226 BP227 BP228`
	KEYWORD	`noisy, perfect, traditional`
	CONCEPT	`imperfection_small (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP224

Diametrically opposite objects affect similarly the large black circular region vs. not so.

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	CROSSREFS	`Adjacent-numbered pages: BP219 BP220 BP221 BP222 BP223 * BP225 BP226 BP227 BP228 BP229`
	KEYWORD	`traditional`
	CONCEPT	`antipodal (info \| search),` `imperfection_small (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP225

Low contrast (no fully black region) vs. high contrast (at least one fully black region).

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	CROSSREFS	`Adjacent-numbered pages: BP220 BP221 BP222 BP223 BP224 * BP226 BP227 BP228 BP229 BP230`
	KEYWORD	`nice, traditional, dithering`
	CONCEPT	`contrast (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP226

What comes out of black circle has a clockwise direction vs. not so.

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	CROSSREFS	`Adjacent-numbered pages: BP221 BP222 BP223 BP224 BP225 * BP227 BP228 BP229 BP230 BP231`
	KEYWORD	`traditional`
	CONCEPT	`turn_orientation (info \| search),` `protrusion (info \| search),` `rotational_direction (info \| search),` `direction (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP227

Dots touch each other if and only if no large region touches the edges of the box vs. dots dont touch each other if and only if no large region touches the edges of the box.

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	CROSSREFS	`Adjacent-numbered pages: BP222 BP223 BP224 BP225 BP226 * BP228 BP229 BP230 BP231 BP232`
	KEYWORD	`convoluted, traditional`
	CONCEPT	`iff (info \| search),` `near_far (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP228

After rotating so that the longest line is horizontal, there is a left arm raised and a weight down vs. after rotating so that the longest line is horizontal, there is a left arm down and a weight raised.

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	CROSSREFS	`Adjacent-numbered pages: BP223 BP224 BP225 BP226 BP227 * BP229 BP230 BP231 BP232 BP233`
	KEYWORD	`convoluted, traditional`
	CONCEPT	`rotation_required (info \| search),` `specific_style (info \| search),` `specificity (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP229

When the objects are rotated and their dots are overlapped and eliminated, they form three-square-tall structures with columns of the same color vs. not so.

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	COMMENTS	`Explanation / justification of BP229 by its creator:` `"Long (doubly sized) objects are purines (A & G).` `Short objects are pyrimidines (C & T).` `Black are those forming triple Hbond (G and C).` `White are those forming double Hbond (A & T).` `On the left we have matching codes, i.e., bases, doublets or triplets that, when rotated, can pair correctly (A with T, G with C), binding the two strands.` `On the right we have objects that no matter how they are rotated they do not pair correctly (because of bumps, wrong color codes, etc)."`
	CROSSREFS	`Adjacent-numbered pages: BP224 BP225 BP226 BP227 BP228 * BP230 BP231 BP232 BP233 BP234`
	KEYWORD	`unorderedpair, traditional`
	CONCEPT	`rotation_required (info \| search),` `tiling (info \| search),` `specific_value (info \| search),` `specificity (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP230

The sum of vertices, line ends, and dots is 7 vs. not so.

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	CROSSREFS	`Adjacent-numbered pages: BP225 BP226 BP227 BP228 BP229 * BP231 BP232 BP233 BP234 BP235`
	KEYWORD	`arbitrary, traditional`
	CONCEPT	`addition (info \| search),` `line_or_curve_endpoint (info \| search),` `dot (info \| search),` `vertex_of_meeting_lines (info \| search)`
	AUTHOR	`Giuseppe Insana`

BP231

Five concavities vs. not five concavities.

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	CROSSREFS	`Adjacent-numbered pages: BP226 BP227 BP228 BP229 BP230 * BP232 BP233 BP234 BP235 BP236`
	KEYWORD	`less, noisy, arbitrary, traditional`
	CONCEPT	`indentation (info \| search),` `number (info \| search),` `five (info \| search)`
	AUTHOR	`Giuseppe Insana`

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