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diff --git a/latex/img/DR_trigger_RU2Rp.svg b/latex/img/DR_trigger_RU2Rp.svg
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diff --git a/latex/img/example.pdf b/latex/img/example.pdf
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diff --git a/latex/img/keyhole-example.svg b/latex/img/keyhole-example.svg
new file mode 100644
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diff --git a/latex/img/niss-1.svg b/latex/img/niss-1.svg
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diff --git a/latex/img/niss-2.svg b/latex/img/niss-2.svg
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diff --git a/latex/img/niss-step1.svg b/latex/img/niss-step1.svg
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diff --git a/latex/img/niss-step2.svg b/latex/img/niss-step2.svg
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diff --git a/latex/img/reto110a.svg b/latex/img/reto110a.svg
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diff --git a/latex/img/u.svg b/latex/img/u.svg
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diff --git a/latex/img/u2.svg b/latex/img/u2.svg
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