diff --git a/dffr/symbol/symbol.oa b/dffr/symbol/symbol.oa
index b427956..405e01c 100644
Binary files a/dffr/symbol/symbol.oa and b/dffr/symbol/symbol.oa differ
diff --git a/dffr/symbol/symbol.oa.cdslck b/dffr/symbol/symbol.oa.cdslck
new file mode 100644
index 0000000..14e0c7c
--- /dev/null
+++ b/dffr/symbol/symbol.oa.cdslck
@@ -0,0 +1,16 @@
+#
+# Edit Lock-Stake file. CAUTION: Please do not change.
+#
+# Information about current Edit Lock Owner.
+#
+LockStakeVersion               1.1
+LoginName                      klapatch
+HostName                       baron.egr.msu.edu
+ProcessIdentifier              31760
+ProcessCreationTime_UTC        1488044502
+ProcessCreationTime_Readable   Sat Feb 25 12:41:42 2017 EST
+AppIdentifier                  OA File System Design Manager
+OSType                         unix
+ReasonForPlacingEditLock       OpenAccess edit lock
+FilePathUsedToEditLock         /egr/courses/unix/ECE/410/klapatch/cadence/ece410_lab6/dffr/symbol/symbol.oa.cdslck
+TimeEditLocked                 Sat Feb 25 12:49:07 2017 EST
diff --git a/dffr/symbol/symbol.oa.cdslck.RHEL30.baron.egr.msu.edu.31760 b/dffr/symbol/symbol.oa.cdslck.RHEL30.baron.egr.msu.edu.31760
new file mode 100644
index 0000000..14e0c7c
--- /dev/null
+++ b/dffr/symbol/symbol.oa.cdslck.RHEL30.baron.egr.msu.edu.31760
@@ -0,0 +1,16 @@
+#
+# Edit Lock-Stake file. CAUTION: Please do not change.
+#
+# Information about current Edit Lock Owner.
+#
+LockStakeVersion               1.1
+LoginName                      klapatch
+HostName                       baron.egr.msu.edu
+ProcessIdentifier              31760
+ProcessCreationTime_UTC        1488044502
+ProcessCreationTime_Readable   Sat Feb 25 12:41:42 2017 EST
+AppIdentifier                  OA File System Design Manager
+OSType                         unix
+ReasonForPlacingEditLock       OpenAccess edit lock
+FilePathUsedToEditLock         /egr/courses/unix/ECE/410/klapatch/cadence/ece410_lab6/dffr/symbol/symbol.oa.cdslck
+TimeEditLocked                 Sat Feb 25 12:49:07 2017 EST
diff --git a/dffr/symbol/thumbnail_128x128.png b/dffr/symbol/thumbnail_128x128.png
index 7155773..587a600 100644
Binary files a/dffr/symbol/thumbnail_128x128.png and b/dffr/symbol/thumbnail_128x128.png differ