diff --git a/configs/v7.11/skeleton_pool_train.yaml b/configs/v7.11/skeleton_pool_train.yaml
index f6ad9af..85031d5 100644
--- a/configs/v7.11/skeleton_pool_train.yaml
+++ b/configs/v7.11/skeleton_pool_train.yaml
@@ -1,6 +1,6 @@
 expression_space: './expression_space.yaml'
 holdout_pools: [
-  # "{{ROOT}}/data/ansr-data/v7.11/skeleton_pool_val/",
+  "{{ROOT}}/data/ansr-data/v7.11/skeleton_pool_val/",
   "{{ROOT}}/data/ansr-data/test_set/soose_nc/skeleton_pool/",
   "{{ROOT}}/data/ansr-data/test_set/feynman/skeleton_pool/",
   "{{ROOT}}/data/ansr-data/test_set/nguyen/skeleton_pool/",
diff --git a/configs/v7.11/skeleton_pool_val.yaml b/configs/v7.11/skeleton_pool_val.yaml
index 078c714..250ee42 100644
--- a/configs/v7.11/skeleton_pool_val.yaml
+++ b/configs/v7.11/skeleton_pool_val.yaml
@@ -9,10 +9,10 @@ holdout_pools: [
 sample_strategy:
   n_operator_distribution: "length_exponential"
   min_operators: 0
-  max_operators: 10
-  power: 0.8
+  max_operators: 15
+  power: 1
   lambda: 1
-  max_length: 21
+  max_length: 31
   max_tries: 1
   independent_dimensions: True