public static byte[] guildContribution(int gid, int cid, int c) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.GUILD_OPERATION.getValue());
            mplew.write(94);
            mplew.writeInt(gid);
            mplew.writeInt(cid);
            mplew.writeInt(c);
            mplew.writeInt(c); //v149
            mplew.writeInt(0); // idk
            mplew.writeLong(0); // date
            
            return mplew.getPacket();
        }