These will be Super HQ links created for your website which will be loved by googlw crawler as well and they will give your website preference above other websites as well..
1 PR 9 backlinks =1000 PR 0 backlinks
2 PR 9 backlinks =2000 PR 0 backlinks .......
SO in here you are getting 30 PR7-8-9 HQ profile links which will be highly beneficial for your website ..