MAHJONG display bug: with open hand, opponents can have 15 tiles (outside of January)

Date & Time: anytime
Frequency: sometimes
World name: Does not matter
Character name: Does not matter
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: N/a
Party or solo: Does not matter
In-game time: N/A
Area and coordinates: N/A
Housing: N/A
Steps:
1. Play mahjong
2. When an opponents already did 3 call, when he draws a tiles, it is displayed with 6 remaning hidden tiles. That makes a hand of 15 tiles


Connection Specs
- Type of internet connection/provider: Does not matter
- Modem maker/model number: Does not matter

■ PC Specs

To obtain the system information, open the FFXIV launcher and select Config → System Information → Display.

-=-=-=-=- System Information -=-=-=-=-

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-


Laptop Model Name: Does not matter
Laptop Model Number: Does not matter

Gamepad Manufacturer: Does not matter
Gamepad Model Name: Does not matter
Gamepad Part Number: Does not matter

Browser Information
- Name and version of the browser currently in-use: Does not matter
- Internet Explorer Version: Does not matter

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■ PS4 Specs

Model Number of the PlayStation®4 You Are Using
- Model Number: Does not matter

Model Number of the PlayStation®Vita You Are Using
- Model Number: Does not matter

Information About the Peripherals You Are Using
-Type: Does not matter
-Maker: Does not matter
-Model Number: Does not matter

Trivia.
it is not the 1st time Se did it.
It happened 10 years ago in Saki anime xD