public static byte[] setNPCScriptable(List<Pair<Integer, String>> npcs) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();
            mplew.writeShort(SendPacketOpcode.NPC_SCRIPTABLE.getValue());
            mplew.write(npcs.size());
            for (Pair s : npcs) {
                mplew.writeInt(((Integer) s.left));
                mplew.writeMapleAsciiString((String) s.right);
                mplew.writeInt(0);
                mplew.writeInt(2147483647);
            }

            return mplew.getPacket();
        }