Zen painting "square-triangle-circle"
<bdi><a href="https://en.wikipedia.org/wiki/en:Sengai" class="extiw" title="w:en:Sengai"><span title="Japanese artist (1750-1837)">Sengai</span></a>
</bdi>
before 1819 <div style="display: none;">date QS:P571,+1819-00-00T00:00:00Z/7,P1326,+1819-00-00T00:00:00Z/9</div>
catalogue