diff --git a/html/js/mobile-automata.mjs b/html/js/mobile-automata.mjs
index 1415fe0..e5ee85a 100644
--- a/html/js/mobile-automata.mjs
+++ b/html/js/mobile-automata.mjs
@@ -271,7 +271,7 @@ export function cyclicMa(rules, initialState, t) {
   return states;
 }
 
-export function renderToCanvas(canvas, width, height, sn = 12000, dn = 20) {
+export function renderToCanvas(canvas, width, height, sn = 11264308, dn = 180) {
   const r = 1;
   const rules = toMaRule(sn, dn, 2 * r + 1, 2);
   let states = Array.from({ length: height }, () => Array(width).fill(0));