diff --git a/doc/examples/swap__binary_t.link b/doc/examples/swap__binary_t.link
new file mode 100644
index 000000000..f035a7170
--- /dev/null
+++ b/doc/examples/swap__binary_t.link
@@ -0,0 +1 @@
+<a target="_blank" href="https://wandbox.org/permlink/OD1Yaew9vlzMYxmX"><b>online</b></a>
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