“... “If you’re nearby, come in,” said Yurka in parting. It’s a routine phrase, in general, and Zorin answered it routinely: “Of course, I’ll come in.” As usual, in general. Yurka lived on the opposite end of the city, and he would go there just like that, for no reason... Except maybe for his birthday. What, Zorin thought, to drop in on his birthday without warning. Let's have a holiday. And in order to suddenly end up near Yurka by chance, a miracle must happen. And it did. Such a chain of coincidences developed that, unexpectedly, at about four o’clock in the evening on February twenty-eighth, Zorin realized that he was five hundred meters from Yurka’s house...”