diff --git a/static/vip/grade1-1.gif b/static/vip/grade1-1.gif
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diff --git a/static/vip/grade2-1.gif b/static/vip/grade2-1.gif
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diff --git a/static/vip/grade2.gif b/static/vip/grade2.gif
index 0314f80..535802d 100644
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diff --git a/static/vip/grade3-1.gif b/static/vip/grade3-1.gif
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diff --git a/static/vip/grade3.gif b/static/vip/grade3.gif
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