Fix HellsBells distribution

FightSystem_Main/src/de/steamwar/fightsystem/event/HellsBells.java

@@ -77,7 +77,7 @@ public class HellsBells {
 	public void drop() {
 		Direction direction = Direction.getRandom();
 
-		AtomicInteger length = new AtomicInteger(10 + random.nextInt(direction.getLength(zLength, xLength) - 10));
+		AtomicInteger length = new AtomicInteger(20 + random.nextInt(direction.getLength(zLength, xLength) - 20));
 		int width = 5 + random.nextInt(5);
 		int xOffset = getStart(direction.getLength(xLength, zLength), direction.getLength(length.get(), width));
 		int zOffset = getStart(direction.getLength(zLength, xLength), direction.getLength(width, length.get()));