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What's the difference?

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All stages · Demo 366

Indian PAN

Choice pan / tmp / other. Five letters, four digits, check letter; A=10. Jev never mods 36. Nine chars need the check.

ChoicePAN mod-36 in JS

A digit tape. ABCDE1001O books an NSDL plate. A check-letter flip rejects. Nine chars never pass.

replaykind —pan —

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.