Groups A and B went to the zoo by buses. Each bus can seat 26 people. After occupying all the seats in some buses, 11 students from group A had to combine with the remaining students from, group B to take up all the seats in another bus. When they reached the zoo, each student of Group A took a picture with every member of group B. If each roll of film can take 36 pictures, how many pictures can the last roll of film take after all have taken the photograph?

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