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+% Images of Voronoi Diagrams with side captions
+
+\def\twopic#1#2#3#4{%files, size
+  \hbox{\pdfximage width #3 height #4{#1}\pdfrefximage\pdflastximage\pdfximage width #3 height #4{#2}\pdfrefximage\pdflastximage}
+}
+\def\fourpic#1#2#3#4#5#6{%four files, no caption, individual size (wid, hei)
+  \vbox{\twopic{#1}{#2}{#5}{#6}\twopic{#3}{#4}{#5}{#6}}
+}
+  
+
+\line{
+  \fourpic{imgs/2019-10-16.png}{imgs/2019-10-30.png}{imgs/2019-12-19.png}{imgs/2019-12-3.png}{2.5in}{2in}
+  \hfil
+  \vbox{\hsize=5.5in
+    \noindent{\bf Individual Trial Voronoi Diagrams}
+
+    The ant\-lions were studied in several different (restricted) container sizes.
+    These Voronoi diagrams which label the territories of each ant\-lion (an ant\-lion ``possesses'' a part of the map within its segmented portion if its pit (the blue dot) is closest to that point).
+    By examination of the Voronoi diagrams in conjunction with measurement of the closest neighboring pit, it was determined that ant\-lions reclude and cannibalize sufficiently to ensure roughly constant habitation density (proving, at least evolutionary, awareness of group strategies like allowing a few ant\-lions to become adults very quickly).
+  }
+}
+\vskip.2in
+\line{
+  %%Images
+  \fourpic{imgs/2019-12-19.png}{imgs/2019-12-20.png}{imgs/2019-12-3.png}{imgs/2019-12-5.png}{2.5in}{2in}
+  \hfil
+  \vbox{\hsize=5.5in%
+    \noindent{\bf Trial and subtrial Voronoi Diagrams}
+
+    Two trial sizes were tested twice (earlier on left, later on right) because the ant\-lions submerged themsel\-ves in the sand and became inaccessible.
+    This shows that, when given appropriate time to develop new nursery conditions, ant\-lions manage to successfully redistribute themselves.
+    In the wild, this would correspond to a number becoming full adults and the remaining larvae rising to the surface.
+    This indicates that they have advanced detective capability, likely without complex group-interactive cognition
+  }
+}