public static byte[] guildMemberLevelJobUpdate(MapleGuildCharacter mgc) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.GUILD_OPERATION.getValue());
            mplew.write(66);
            mplew.writeInt(mgc.getGuildId());
            mplew.writeInt(mgc.getId());
            mplew.writeInt(mgc.getLevel());
            mplew.writeInt(mgc.getJobId());


            return mplew.getPacket();
        }