diff --git a/spirelayout.cpp b/spirelayout.cpp
index 5b7d483..ff5e067 100644
--- a/spirelayout.cpp
+++ b/spirelayout.cpp
@@ -102,11 +102,12 @@ const TrapUpgrades TrapUpgrades::canonical[] =
 	{ 7, 6, 6, 5 },  // z600
 	{ 7, 6, 7, 5 },  // z625
 	{ 7, 7, 7, 5 },  // z630
-	{ 8, 7, 7, 5 },  // z650
-	{ 8, 7, 7, 6 },  // z675
-	{ 8, 7, 8, 6 },  // z700
-	{ 8, 8, 8, 6 },  // z730
-	{ 8, 8, 9, 6 },  // z750
+	{ 8, 7, 8, 5 },  // z650
+	{ 8, 7, 8, 6 },  // z675
+	{ 9, 7, 9, 6 },  // z700
+	{ 9, 7, 9, 7 },  // z725
+	{ 9, 8, 9, 7 },  // z730
+	{ 10, 8, 9, 7 },  // z750
 	{ 0, 0, 0, 0}
 };