Use zone[0] for any left over nodes

net/gce.sh

@@ -633,9 +633,10 @@ EOF
     num_zones=${#zones[@]}
     numNodesPerZone=$((additionalFullNodeCount / num_zones))
     numLeftOverNodes=$((additionalFullNodeCount % num_zones))
-    for ((i=0; i < "$num_zones"; i++)); do
+
+    for ((i=((num_zones - 1)); i >= 0; i--)); do
       zone=${zones[i]}
-      if [[ $i -eq $((num_zones - 1)) ]]; then
+      if [[ $i -eq 0 ]]; then
         numNodesPerZone=$((numNodesPerZone + numLeftOverNodes))
       fi
       cloud_CreateInstances "$prefix" "$prefix-$zone-fullnode" "$numNodesPerZone" \