High PR Blog Finder Software

Need to create a software that allows you to find high PR blog pages ( to post comments with your backlinks). The program should be able only to find them no posting needed. Can work by next algorithm: 1. User load a list of high PR Blog Pages (that allow comments with links - previously found). 2. Program scan other backlinks left on High PP Blog Page (left by other users) and create LIST 1 with their websites. 3. Program fetch backlicks to their websites (from LIST 1) and filter new High PR Pages. 4. Program check this new High PR pages and filter those that allow you to post comment with dofollow backlink. Send you ideas how the program could work. GENERAL APPLICATION MESSAGES WILL BE IGNORED.