diff --git a/rcs/sycamore_2019_elided_quadrant.py b/rcs/sycamore_2019_elided_quadrant.py
index b9ce719..d852df2 100644
--- a/rcs/sycamore_2019_elided_quadrant.py
+++ b/rcs/sycamore_2019_elided_quadrant.py
@@ -85,7 +85,7 @@ def bench_qrack(width, depth):
 
     row_len, col_len = factor_width(width)
     row_bound = row_len >> 1
-    col_bound = col_len >> 1
+    col_bound = (col_len + 1) >> 1
     lcv_range = range(width)
     last_gates = []
 
diff --git a/rcs/sycamore_2019_elided_quadrant_time.py b/rcs/sycamore_2019_elided_quadrant_time.py
index 474ca26..6f30743 100644
--- a/rcs/sycamore_2019_elided_quadrant_time.py
+++ b/rcs/sycamore_2019_elided_quadrant_time.py
@@ -87,7 +87,7 @@ def bench_qrack(width, depth):
 
     row_len, col_len = factor_width(width)
     row_bound = row_len >> 1
-    col_bound = col_len >> 1
+    col_bound = (col_len + 1) >> 1
     lcv_range = range(width)
     last_gates = []
 
diff --git a/rcs/sycamore_2019_patch_quadrant.py b/rcs/sycamore_2019_patch_quadrant.py
index 76a35d3..feb18a7 100644
--- a/rcs/sycamore_2019_patch_quadrant.py
+++ b/rcs/sycamore_2019_patch_quadrant.py
@@ -53,7 +53,7 @@ def bench_qrack(width, depth):
 
     row_len, col_len = factor_width(width)
     row_bound = row_len >> 1
-    col_bound = col_len >> 1
+    col_bound = (col_len + 1) >> 1
     lcv_range = range(width)
     last_gates = []
 
diff --git a/rcs/sycamore_2019_patch_quadrant_time.py b/rcs/sycamore_2019_patch_quadrant_time.py
index f0531d2..ece8890 100644
--- a/rcs/sycamore_2019_patch_quadrant_time.py
+++ b/rcs/sycamore_2019_patch_quadrant_time.py
@@ -51,7 +51,7 @@ def bench_qrack(width, depth):
 
     row_len, col_len = factor_width(width)
     row_bound = row_len >> 1
-    col_bound = col_len >> 1
+    col_bound = (col_len + 1) >> 1
     lcv_range = range(width)
     last_gates = []