See BP1246 for a variation on this idea where instead of lining the image up with itself along arbitrarily small regions, you line the image up with itself along individual separate objects.

Rotations are allowed. To avoid confusion about whether reflections are allowed, no examples are included on the right that require reflections to match up with themselves locally but not globally; no examples are included on the left that can match up with themselves locally but not globally using a reflection.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to read and reason about.

Rotations are allowed. To avoid confusion about whether reflections are allowed, no examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to read and reason about.

Rotations are allowed. To avoid the issue of whether reflections are allowed, no examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to read and reason about.

All examples are parts of ellipses glued together.

Rotations are allowed. To avoid the issue of whether reflections are allowed, no examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to read and reason about.

All examples are parts of ellipses glued together.

Rotations are allowed. No examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally; it does not matter whether the Problem is understood as allowing reflections or not.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to read and reason about.

All examples are parts of ellipses glued together.

Rotations are allowed. No examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally; it does not matter whether the Problem is understood as allowing reflections or not.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to parse and reason about.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally; it does not matter whether the Problem is understood as allowing reflections or not.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easier to parse and reason about.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally; it does not matter whether the Problem is understood as allowing reflections or not.

Only parts of ellipses are used, and only one type of ellipse per image, to make everything easy to parse and reason about.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally; it does not matter whether the Problem is understood as allowing reflections or not.

Only parts of ellipses are used, and only one type of ellipse per image, to make things easy to parse and reason about.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally; it does not matter whether the Problem is understood as allowing reflections or not.

Only one type of ellipse is allowed per image to make things easy to parse and reason about.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples are included on the right that require reflections; no examples are included on the left that can match up with themselves locally by using a reflection without matching up globally; it does not matter whether the Problem is understood as allowing reflections or not.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples on the right require reflections; no examples on the left can match up with themselves locally by using a reflection without matching up globally. Because of this it does not matter whether the Problem is understood as allowing reflections or not.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples on the right require reflections; no examples on the left can match up with themselves locally by using a reflection without matching up globally. Because of this it does not matter whether the Problem is understood allowing reflections or not.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples on the right require reflections and no examples on the left can match up with themselves locally without matching globally by using a reflection, making it not matter whether the Problem is understood allowing reflections or not.

All examples are parts of ellipses glued together in a way that makes it visually understandable what the parts are.

Rotations are allowed. No examples on the right require reflections, making it not matter whether the Problem is understood allowing reflections or not.

If you place the image on top of itself so that it lines up with itself exactly within a small region, it also lines up everywhere else vs. not so.