diff --git a/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt# b/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt#
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index 00000000..5fc2a082
--- /dev/null
+++ b/ws2012/P2P/uebungen/7/.~lock.exercise7_solution.odt#
@@ -0,0 +1 @@
+Michael Scholz,Michael,Michaels-MacBook-Pro.local,10.12.2012 17:19,file:///Users/Michael/Library/Application%20Support/OpenOffice.org/3;
\ No newline at end of file
diff --git a/ws2012/P2P/uebungen/7/exercise7_solution.odt b/ws2012/P2P/uebungen/7/exercise7_solution.odt
index 482ddbe0..7df292d1 100644
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