1 files changed, 14 insertions, 0 deletions

diff --git a/day11.bqn b/day11.bqn
new file mode 100644
index 0000000..03d4dcd
--- /dev/null
+++ b/day11.bqn
@@ -0,0 +1,14 @@
+While ← {𝕩{𝔽⍟𝔾∘𝔽_𝕣_𝔾∘𝔽⍟𝔾𝕩}𝕨@}´
+d←>'0'-˜•FLines"day11"
+
+Step ← {
+  g←f←0× x←𝕩+1
+  While {𝕤 ⋄ f ≢ f ∨ g ↩ (¬f) ∧ x>9 }‿{𝕤
+    x +↩ (+´+˝)⎉2 3‿3↕{⌽⍉0∾˘𝕩}⍟4 g
+    f ∨↩ g
+  }
+  x × ¬f∨g
+}
+
+•Out +´{+´⥊0=𝕩}¨ Step⍟(↕101) d
+•Out 0 {∧´0=⥊𝕩 ? 𝕨 ; (𝕨+1) 𝕊 Step 𝕩} d