diff --git a/pics/jd-01-border-layout.svg b/pics/jd-01-border-layout.svg
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diff --git a/pics/jd-01-flow-layout.svg b/pics/jd-01-flow-layout.svg
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diff --git a/pics/jd-01-grid-layout.svg b/pics/jd-01-grid-layout.svg
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