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What's the difference?

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All stages · Demo 369

NZ IRD

Choice ird / tmp / other. Eight or nine digits; 3-2-7-6 then 7-4-3-2 if remainder 10. Jev never mods 11. Seven digits need 8.

ChoiceIRD dual rows in JS

A digit tape. 49091850 books an Inland Revenue plate. A last-digit flip rejects. Seven digits never pass.

replaykind —ird —

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.