diff --git a/2021/Flynn b/2021/Flynn
index 9708826..76e9d9e 160000
--- a/2021/Flynn
+++ b/2021/Flynn
@@ -1 +1 @@
-Subproject commit 9708826abb44bf5d14d98b913009d28e74499a36
+Subproject commit 76e9d9ed059070e125e01b76ef150d239b77b892
diff --git a/2021/Francis. b/2021/Francis.
index fd67acb..21422ae 160000
--- a/2021/Francis.
+++ b/2021/Francis.
@@ -1 +1 @@
-Subproject commit fd67acb9e152b81e4711defdb9221cda97f57372
+Subproject commit 21422aea46a1e31d5b9795d6f0f02f688e3f6207
diff --git a/2021/Timpy b/2021/Timpy
index d369b74..2e5c30e 160000
--- a/2021/Timpy
+++ b/2021/Timpy
@@ -1 +1 @@
-Subproject commit d369b74738ac84d6742cd1b49854fd57d1ba01b2
+Subproject commit 2e5c30ed98c988b8e9609ec4f6ac6d86fa0e3b04
diff --git a/2021/chvp b/2021/chvp
index ff3b46b..8a58608 160000
--- a/2021/chvp
+++ b/2021/chvp
@@ -1 +1 @@
-Subproject commit ff3b46bd973e7a86ec3efdd4319219f81c834c80
+Subproject commit 8a58608109f9495d2723e0826097e2d646b6986c