Torpedoes in Salmon/Sargo class?

[u.Prestige]

Many resources indicate that Salmon/Sargo class subs have 24 torpedoes instead of 22 torpedoes in SH4 game.
Which data is correct?:damn:
How to modify torpedo quantity of Salmon/Sargo class subs?

[Sailor Steve]

Every online source I could find says 24. Wiki says 20 plus 4 external, which were later removed. I haven't read his source, but it seems to be valid.