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What's the difference?

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All stages · Demo 363

Kazakhstan IIN

Choice iin / tmp / other. Twelve digits; 1–11 then 3–11-1-2 if remainder 10. Jev never mods 11. Eleven digits need 12.

ChoiceIIN dual rows in JS

A digit tape. 850101300124 books a justice plate. A last-digit flip rejects. Eleven digits never pass.

replaykind —iin —

STANDBY

All 4056 stages

Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.