diff --git a/scratchpad/chaos/merge-thimble-sideA.md b/scratchpad/chaos/merge-thimble-sideA.md
new file mode 100644
index 00000000000..84b641998f8
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+++ b/scratchpad/chaos/merge-thimble-sideA.md
@@ -0,0 +1 @@
+sideA: r104
diff --git a/scratchpad/chaos/merge-thimble-sideB.md b/scratchpad/chaos/merge-thimble-sideB.md
new file mode 100644
index 00000000000..877cf30fdb9
--- /dev/null
+++ b/scratchpad/chaos/merge-thimble-sideB.md
@@ -0,0 +1 @@
+sideB: r104
diff --git a/scratchpad/chaos/merge-thimble.md b/scratchpad/chaos/merge-thimble.md
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index 00000000000..eeed73c61e2
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+++ b/scratchpad/chaos/merge-thimble.md
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+### merge-thimble
+run: r104
+merge: base