diff --git a/pix/c/course.gif b/pix/c/course.gif
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diff --git a/pix/c/group.gif b/pix/c/group.gif
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diff --git a/pix/c/user.gif b/pix/c/user.gif
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Binary files a/pix/c/user.gif and b/pix/c/user.gif differ