Gather data

src/test/java/puzzle/SwedishGeneratorTest.java

@@ -191,7 +191,7 @@ public class SwedishGeneratorTest {
       var grid = SwedishGenerator.makeEmptyGrid();
       // 3x3 grid (Config.PUZZLE_ROWS/COLS are 3 in test env)
       // Set '2' (right) at 0,0
-      grid.setCharAt(0, 0, '2');
+      grid.setClue(0, (byte) '2');
       // This should detect a slot starting at 0,1 with length 2 (0,1 and 0,2)
       
       var slots = gen.extractSlots(grid);
@@ -226,7 +226,7 @@ public class SwedishGeneratorTest {
       assertTrue(f1 >= 1_000_000_000L);
       
       // Add a slot
-      grid.setCharAt(0, 0, '2');
+      grid.setClue(0, SwedishGenerator.OFFSETS[2].dbyte());
       var f2 = gen.maskFitness(grid, lenCounts);
       assertTrue(f2 < f1);
    }