Gather data

src/test/java/puzzle/ExportFormatTest.java

@@ -25,8 +25,8 @@ public class ExportFormatTest {
       // This creates a slot starting at (0,1)
       
       var clueMap = new HashMap<Integer, Lemma>();
-      // key = (r << 8) | (c << 4) | d
-      int   key   = (0 << 8) | (0 << 4) | 2;
+      // key = (cellIndex << 4) | direction
+      int   key   = (0 << 4) | 2;
       Lemma lemma = new Lemma("TEST", 1, "A test word");
       clueMap.put(key, lemma);