All stages · Demo 318

Bulgarian EGN

Choice egn / lnch / other. Ten digits; remainder 11, 10 becomes 0. Jev never weights them. Nine digits need 10.

ChoiceEGN weights in JS

A digit tape. 8501010006 books a GRAO plate. A last-digit flip rejects. Nine digits never pass.

replaykind —egn —

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.