diff --git a/49/new.ua b/49/new.ua
new file mode 100644
index 0000000..94aae3b
--- /dev/null
+++ b/49/new.ua
@@ -0,0 +1,22 @@
+# 1000, 1000+n, ..., 10000-n
+# ? n
+Seq ← (
+  # ⍤"illegal argument"⊸∊⇡₁8999
+  ⌈⊸˜÷9000 ⊙1000
+  ⍥⟜⊸+ # ? 9000÷n n 1000 
+)
+Prime ← =1/+≠1°/×
+
+⇡₁8999
+⟜⍚Seq
+⍚⇡
+⍚⊞+
+/◇⊂⍚♭
+⊏⊸(Prime
+   \(×⤙+)
+   ⊚=3
+   ˜⊞+⇌¯⇡3)
+≡₀◇⍆°⋕
+⊸≡₂(↧∩⌞≍°⊟₃)
+⊡⊢⊚
+/⊂