l2j-server-datapack/dist/sql/game/updates/20090921update.sql

UPDATE character_subclasses SET class_id=128 WHERE class_id=129 AND charId IN (SELECT charId FROM characters where race=5 AND sex=1); -- female main -> male soulbreaker sub
UPDATE character_subclasses SET class_id=129 WHERE class_id=128 AND charId IN (SELECT charId FROM characters where race=5 AND sex=0); -- male main   -> female soulbreaker sub
UPDATE character_subclasses SET class_id=132 WHERE class_id=133 AND charId IN (SELECT charId FROM characters where race=5 AND sex=1); -- female main -> male soulhound sub
UPDATE character_subclasses SET class_id=133 WHERE class_id=132 AND charId IN (SELECT charId FROM characters where race=5 AND sex=0); -- male main   -> female soulhound sub