… years after the cataclysms. The Earth was almost completely destroyed, but human civilization was not gone. People built the Delta complex, which has become a shelter for survivors. People who live in Delta are called colonists. Their main goal is to collect and accumulate information for its transfer to future generations. To increase the speed and efficiency of works, the colonists pass erase procedure (partial memory lock). Life here is subjected to strict rules, colonists live in absolute solitude. They don’t have names; they only have personal sequence…