How long did Sai Baba live in Shirdi, and what were the different phases of his stay?

According to the information provided, Sai Baba spent a significant portion of his life in Shirdi, adopting the resolve of a 'Kshetra Sanyasi,' one who never leaves a holy place. Chapter 10 states that he first appeared in Shirdi at the young age of sixteen and stayed for three years. He then disappeared for a period before returning with Chand Patil's marriage party when he was twenty years old. From that point on, he lived continuously in Shirdi for sixty years, a fact known to everyone there.