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RWright Guru Location North Carolina 25 Jul 2014 #19 3 this week, but I did know one of those, so at least not all guesses this week.
Rickshaw Phil Overconfidentii Vulgaris Moderator Location Shrewsbury, Shropshire 26 Jul 2014 #24 5/7. Only knew a couple.
twentysix by twentyfive Clinging on tightly Location Over the Hill 26 Jul 2014 #28 3 - one I knew (that's one more than usual)