diff --git a/smallConf.py b/smallConf.py
index bd6a39e..f517eda 100644
--- a/smallConf.py
+++ b/smallConf.py
@@ -63,15 +63,9 @@ maliciousNodes = [0]
 # If True, the malicious nodes will be assigned randomly; if False, a predefined pattern may be used
 randomizeMaliciousNodes = True
 
-# Block size in one dimension in segments. Block is blockSizes * blockSizes segments.
-blockSizes = [128]
-
 # Per-topic mesh neighborhood size
 netDegrees = range(8, 9, 2)
 
-# number of rows and columns a validator is interested in
-chis = range(2, 3, 2)
-
 # ratio of class1 nodes (see below for parameters per class)
 class1ratios = [0.8]
 
@@ -108,13 +102,17 @@ diagnostics = False
 # True to save git diff and git commit
 saveGit = False
 
+blockSizeR =[128]
+blockSizeC = [64]
+blockSizeRK = [64]
+blockSizeCK = [64]
+chiR = [2]
+chiC = [2]
+
 def nextShape():
-    for run, fm, fr, mn, class1ratio, chi, vpn1, vpn2, blockSize, nn, netDegree, bwUplinkProd, bwUplink1, bwUplink2 in itertools.product(
-        runs, failureModels, failureRates, maliciousNodes, class1ratios, chis, validatorsPerNode1, validatorsPerNode2, blockSizes, numberNodes, netDegrees, bwUplinksProd, bwUplinks1, bwUplinks2):
+    for blckSizeR, blckSizeRK, blckSizeC, blckSizeCK, run, fm, fr, mn, class1ratio, chR, chC, vpn1, vpn2, nn, netDegree, bwUplinkProd, bwUplink1, bwUplink2 in itertools.product(
+        blockSizeR, blockSizeRK, blockSizeC, blockSizeCK, runs, failureModels, failureRates, maliciousNodes, class1ratios,  chiR, chiC, validatorsPerNode1, validatorsPerNode2, numberNodes, netDegrees, bwUplinksProd, bwUplinks1, bwUplinks2):
         # Network Degree has to be an even number
         if netDegree % 2 == 0:
-            blockSizeR = blockSize
-            blockSizeC = blockSizeRK = blockSizeCK = blockSize // 2
-            chiR = chiC = chi
-            shape = Shape(blockSizeR, blockSizeRK, blockSizeC, blockSizeCK, nn, fm, fr, mn, class1ratio, chiR, chiC, vpn1, vpn2, netDegree, bwUplinkProd, bwUplink1, bwUplink2, run)
+            shape = Shape(blckSizeR, blckSizeRK, blckSizeC, blckSizeCK, nn, fm, fr, mn, class1ratio, chR, chC, vpn1, vpn2, netDegree, bwUplinkProd, bwUplink1, bwUplink2, run)
             yield shape