Removing double (duplicate) blog posts in Blogger

Are you seeing double? I mean as in duplicate or repeat posts on your Blogger blog? Instead seeing of a normal set of posts like this: Post 1 Post 2 Post 3 ... (from top to bottom), are you seeing two identical post columns, like this? Post 1 Post 2 Post 3 Post 1 Post 2 Post 3 or duplicate posts inside a posts column, like this? Post 1 Post 1 Post 2 Post 2 Post 3 Post 3 Anyway neither mode is