diff --git a/src/main.ts b/src/main.ts
index 22ecfd2..fac22da 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -13,8 +13,8 @@ const height_ = 594
 const cellSize_ = 12
 const padding_ = 5 // * cellSize
 
-const xSeeds_ = "101110100101100"
-const ySeeds_ = "101001111001110000101"
+const xSeeds_ = Math.random().toString(2).substring(46, 54)
+const ySeeds_ = Math.random().toString(2).substring(46, 54)
 const unit_ = 'mm'
 
 // turn these into reactive values to trigger re-rendering on change