Program: 163964
Project: 163964
Buggy source:
public void create(){
  Random.seed(Dungeon.seedCurDepth());
  if (!(Dungeon.bossLevel() || Dungeon.depth == 21)) {
    addItemToSpawn(Generator.random(Generator.Category.FOOD));
    if (Dungeon.posNeeded()) {
      addItemToSpawn(new PotionOfStrength());
      Dungeon.LimitedDrops.STRENGTH_POTIONS.count++;
    }
    if (Dungeon.souNeeded()) {
      addItemToSpawn(new ScrollOfUpgrade());
      Dungeon.LimitedDrops.UPGRADE_SCROLLS.count++;
    }
    if (Dungeon.asNeeded()) {
      addItemToSpawn(new Stylus());
      Dungeon.LimitedDrops.ARCANE_STYLI.count++;
    }
    DriedRose rose=Dungeon.hero.belongings.getItem(DriedRose.class);
    if (rose != null && !rose.cursed) {
      int petalsNeeded=(int)Math.ceil((float)((Dungeon.depth / 2) - rose.droppedPetals) / 3);
      for (int i=1; i <= petalsNeeded; i++) {
        if (rose.droppedPetals < 11) {
          addItemToSpawn(new DriedRose.Petal());
          rose.droppedPetals++;
        }
      }
    }
    if (Dungeon.depth > 1) {
switch (Random.Int(10)) {
case 0:
        if (!Dungeon.bossLevel(Dungeon.depth + 1)) {
          feeling=Feeling.CHASM;
        }
      break;
case 1:
    feeling=Feeling.WATER;
  break;
case 2:
feeling=Feeling.GRASS;
break;
case 3:
feeling=Feeling.DARK;
addItemToSpawn(new Torch());
viewDistance=Math.round(viewDistance / 2f);
break;
}
}
}
do {
width=height=length=0;
mobs=new HashSet<>();
heaps=new SparseArray<>();
blobs=new HashMap<>();
plants=new SparseArray<>();
traps=new SparseArray<>();
customTiles=new HashSet<>();
customWalls=new HashSet<>();
}
 while (!build());
buildFlagMaps();
cleanWalls();
createMobs();
createItems();
Random.seed();
}

Fixed version (ground truth):
public void create(){
  Random.seed(Dungeon.seedCurDepth());
  if (!(Dungeon.bossLevel() || Dungeon.depth == 21)) {
    addItemToSpawn(Generator.random(Generator.Category.FOOD));
    if (Dungeon.posNeeded()) {
      addItemToSpawn(new PotionOfStrength());
      Dungeon.LimitedDrops.STRENGTH_POTIONS.count++;
    }
    if (Dungeon.souNeeded()) {
      addItemToSpawn(new ScrollOfUpgrade());
      Dungeon.LimitedDrops.UPGRADE_SCROLLS.count++;
    }
    if (Dungeon.asNeeded()) {
      addItemToSpawn(new Stylus());
      Dungeon.LimitedDrops.ARCANE_STYLI.count++;
    }
    DriedRose rose=Dungeon.hero.belongings.getItem(DriedRose.class);
    if (rose != null && rose.isIdentified() && !rose.cursed) {
      int petalsNeeded=(int)Math.ceil((float)((Dungeon.depth / 2) - rose.droppedPetals) / 3);
      for (int i=1; i <= petalsNeeded; i++) {
        if (rose.droppedPetals < 11) {
          addItemToSpawn(new DriedRose.Petal());
          rose.droppedPetals++;
        }
      }
    }
    if (Dungeon.depth > 1) {
switch (Random.Int(10)) {
case 0:
        if (!Dungeon.bossLevel(Dungeon.depth + 1)) {
          feeling=Feeling.CHASM;
        }
      break;
case 1:
    feeling=Feeling.WATER;
  break;
case 2:
feeling=Feeling.GRASS;
break;
case 3:
feeling=Feeling.DARK;
addItemToSpawn(new Torch());
viewDistance=Math.round(viewDistance / 2f);
break;
}
}
}
do {
width=height=length=0;
mobs=new HashSet<>();
heaps=new SparseArray<>();
blobs=new HashMap<>();
plants=new SparseArray<>();
traps=new SparseArray<>();
customTiles=new HashSet<>();
customWalls=new HashSet<>();
}
 while (!build());
buildFlagMaps();
cleanWalls();
createMobs();
createItems();
Random.seed();
}