Today is Monday. It is sunny today. There is a sports meeting in our school. There are many students and players on the playground. Some basketball players are playing over there, and their classmates are watching. Some girls are running. There is a big tree on the playground. Some boys are jumping under the tree.

下面是漫画《网络推手》和《自得蔫乐》，请选择其中一幅，简要概括其主题。

已知a₁+a₂+…+a₃₀+a₃₁与b₁+b₂+…+b₃₀+b₃₁均为等差级数，且皆有31项．若a₂+b₃₀=29，a₃₀+b₂=﹣9，则此两等差级数的和相加的结果为多少？（　　）