All working, able to be built to .jar

src/main/java/CellSample.java

@@ -0,0 +1,19 @@
+import java.util.List;
+
+public class CellSample {
+
+    private List<Integer[]> cells;
+
+    public CellSample(List<Integer[]> cells){
+        this.cells = cells;
+    }
+
+    public List<Integer[]> getCells(){
+        return cells;
+    }
+
+    public Integer population(){
+        return cells.size();
+    }
+
+}