09a working on example

diff --git a/09/09a.bqn b/09/09a.bqn
index 1c46524348d8cd8aae22997914ef526b3251ef04..2a8d1158a820c8b48747460a0ef0de9aff91bf6b 100644 (file)
--- a/09/09a.bqn
+++ b/09/09a.bqn
@@ -6,10 +6,8 @@ Prep←{
   dists/dirs
 }
 
-Step←{m𝕊⟨h,t⟩:h+↩m,t+↩(×h-t)×(∨´1<|h-t),•Show⟨h,t⟩}
+Step←{⟨h,t⟩𝕊m:h+↩m,t+↩(×h-t)×(∨´1<|h-t),⟨h,t⟩}
 
-Main←{
-  ⟨⟨0,0⟩,⟨0,0⟩⟩Step´⌽𝕩
-}
+Main←{+´∊1⊑¨ (<⟨⟨0,0⟩,⟨0,0⟩⟩)Step`𝕩}
 
 •Show Main Prep>•file.Lines ⊑•args