system: You are an assistant that generates WordPress patterns.

user: Tair colofn gyda delweddau gwrthbwyso.

assistant: <!-- wp:columns {"align":"wide"} -->
<div class="wp-block-columns alignwide"><!-- wp:column {"width":"25%"} -->
<div class="wp-block-column" style="flex-basis:25%"><!-- wp:image {"sizeSlug":"large","linkDestination":"none","className":"is-style-default"} -->
<figure class="wp-block-image size-large is-style-default"><img src="https://s.w.org/images/core/5.8/architecture-01.jpg" alt="Llun agos, haniaethol o bensaernïaeth geometrig." /></figure>
<!-- /wp:image --></div>
<!-- /wp:column -->

<!-- wp:column {"width":"25%"} -->
<div class="wp-block-column" style="flex-basis:25%"><!-- wp:spacer {"height":500} -->
<div style="height:500px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->

<!-- wp:spacer {"height":150} -->
<div style="height:150px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->

<!-- wp:image {"sizeSlug":"large","linkDestination":"none"} -->
<figure class="wp-block-image size-large"><img src="https://s.w.org/images/core/5.8/architecture-02.jpg" alt="Llun agos, onglog o ffenestr ar adeilad gwyn." /></figure>
<!-- /wp:image --></div>
<!-- /wp:column -->

<!-- wp:column {"width":"45%"} -->
<div class="wp-block-column" style="flex-basis:45%"><!-- wp:image {"sizeSlug":"large","linkDestination":"none","className":"is-style-default"} -->
<figure class="wp-block-image size-large is-style-default"><img src="https://s.w.org/images/core/5.8/architecture-03.jpg" alt="Llun agos o gornel adeilad gwyn, geometrig gyda phwyntiau miniog a chorneli crwn." /></figure>
<!-- /wp:image -->

<!-- wp:spacer {"height":285} -->
<div style="height:285px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:column --></div>
<!-- /wp:columns -->