public static Map<Integer, LadderPlayer> LadderByExp = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static Map<Integer, LadderPlayer> LadderByHonor = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static Map<Integer, LadderPlayer> LadderByKoli = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static Map<Integer, LadderPlayer> LadderByDuplum = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static List<LadderPlayer> LadderByExpSorted = Collections.synchronizedList(new ArrayList<LadderPlayer>());
    public static List<LadderPlayer> LadderByHonorSorted = Collections.synchronizedList(new ArrayList<LadderPlayer>());
    public static List<LadderPlayer> LadderByKoliSorted = Collections.synchronizedList(new ArrayList<LadderPlayer>());
    public static List<LadderPlayer> LadderByDuplumSorted = Collections.synchronizedList(new ArrayList<LadderPlayer>());
    public static Map<Integer, LadderPlayer> LadderByExpLP = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static Map<Integer, LadderPlayer> LadderByHonorLP = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static Map<Integer, LadderPlayer> LadderByKoliLP = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static Map<Integer, LadderPlayer> LadderByDuplumLP = Collections.synchronizedMap(new HashMap<Integer, LadderPlayer>());
    public static List<LadderPlayer> LadderByExpSortedLP = Collections.synchronizedList(new ArrayList<LadderPlayer>());
    public static List<LadderPlayer> LadderByHonorSortedLP = Collections.synchronizedList(new ArrayList<LadderPlayer>());
    public static List<LadderPlayer> LadderByKoliSortedLP = Collections.synchronizedList(new ArrayList<LadderPlayer>());
    public static List<LadderPlayer> LadderByDuplumSortedLP = Collections.synchronizedList(new ArrayList<LadderPlayer>());