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The app generates a secret non-repeating four-digit number that you need to guess in as few turns as possible. You get a bull for digits that are correct and in the right position. You get a cow for digits that are not yet in the right position.

Bulls and CowsFour digit code-breaking game
Simplest defect management app for your construction projects.
Designed specifically for small renovations to medium-sized construction projects.

ProqualSimple Defect Management for Construction projects
