59. Five people are arranged in order of their age, the average age of the younger 3 people is 18 years old, the age difference between the older 2 people is 5 years. The average age of the older 3 people is 26 years old, the age difference between the younger 2 people is 7 years, and the average age of the oldest and the youngest is 22 years old. The ages of the five people from youngest to oldest are $\qquad$ years, $\qquad$ years, $\qquad$ years, $\qquad$ years, $\qquad$ years.
Answer: $13,20,21,26,31$