main_page_info:
plan_title: Mid-page ad block
- blang: blang_all
- size: 575 x 72px
- form: sequential
- plan_allowed: plan_allowed_no
plan_title: Left-column ad block
- blang: blang_all
- size: 212 x 800px
- form: sequential
- plan_allowed: plan_allowed_no
plan_title: Right-column ad block
- blang: blang_all
- size: 250 x 500px
- form: random
- plan_allowed: plan_allowed_no
