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diff --git a/doc/guides/prog_guide/img/ring-modulo2.svg b/doc/guides/prog_guide/img/ring-modulo2.svg
new file mode 100644
index 00000000..68f046b6
--- /dev/null
+++ b/doc/guides/prog_guide/img/ring-modulo2.svg
@@ -0,0 +1,851 @@
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+# are met:
+#
+# - Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+#
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+#   notice, this list of conditions and the following disclaimer in
+#   the documentation and/or other materials provided with the
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