Numbers would also have a big role in this story. The plane crashed on the thirteenth, a number that is the sum of the three numbers painted on the fuselage of the airplane: 571. There were sixteen of us who survived, which added to thirteen makes twenty-nine, the number of people left alive after the crash, and also the date of the avalanche. Marcelo died on the same date and at the same time as his father had exactly four years earlier.