diff --git a/92/main.ua b/92/main.ua
new file mode 100644
index 0000000..c599e04
--- /dev/null
+++ b/92/main.ua
@@ -0,0 +1,7 @@
+# next number in chain
+N ← /+⍉°√⊥10
+
+⍜-⇡1 1e7
+⍥N10       # the longest 1-chain is less than 10
+-⊙1e7 ⧻⊚=1 # count 1s to subtract from 1e7
+-1         # there are 999999 nums, because no 0