diff --git a/tools/solving/BiVentricleHoreka.py b/tools/solving/BiVentricleHoreka.py
index 798a968fa19c8e1af540ee5009cb94f80f3e0ee6..1a7eb33a8f4eb86535191407d48cc2a061f20c0e 100644
--- a/tools/solving/BiVentricleHoreka.py
+++ b/tools/solving/BiVentricleHoreka.py
@@ -69,7 +69,7 @@ def decideTime(level,j):
     elif level ==3:
         h=2**(j+1)
     elif level == 4:
-        h=2**(j+2)        
+        h=2**(j)+2        
     else:
         print('no level time defined')
     #print(h,m)
@@ -145,9 +145,9 @@ def startSI():
     lL=[0,1,2,3,4]
     tL=[0,1,2,3,4]
     lL=[4]
-    tL=[1,2,3,4]
-    lL=[3]
-    tL=[3,4]
+    tL=[2]#,3,4]
+    #lL=[3]
+    #tL=[3,4]
     nL=['SI']
     sdt=0.0004
     startJobs(lL,tL,nL,sdt,'',{'ElphyProblem':'BiVentricleWAProblem'})