From 09850d2f768e441ebd78b6d7893844360144ecd0 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Fri, 9 Jul 2021 00:13:25 +0200
Subject: [PATCH] fixed crash in zebra40

---
 pattern2.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pattern2.cpp b/pattern2.cpp
index beb0920e..06ebdeba 100644
--- a/pattern2.cpp
+++ b/pattern2.cpp
@@ -371,6 +371,7 @@ EX int zebra40(cell *c) {
   else if(S3 == 4 && S7 == 6) {
     return 8 + ((c->master->zebraval / 10 + c->c.spin(0))%2) * 2;
     }
+  else if(reg3::in()) return 0;
   else {
     int ii[3], z;
     auto ar = gp::get_masters(c);