diff --git a/2021/Flynn b/2021/Flynn
index 23f1355..b51555f 160000
--- a/2021/Flynn
+++ b/2021/Flynn
@@ -1 +1 @@
-Subproject commit 23f135586b5096f9634c43ac47d58252785ebee3
+Subproject commit b51555f6b0b12aebf084906a82ad42e4be62bfce
diff --git a/2021/ninewise b/2021/ninewise
index 5d8df9b..39af5fa 160000
--- a/2021/ninewise
+++ b/2021/ninewise
@@ -1 +1 @@
-Subproject commit 5d8df9bd8083fd7d3b5f8982499499fe6bcbce24
+Subproject commit 39af5faeec1a8c9e076da751b875c72df9ea1313
diff --git a/2021/robbe b/2021/robbe
index efbb936..2e85149 160000
--- a/2021/robbe
+++ b/2021/robbe
@@ -1 +1 @@
-Subproject commit efbb936a3da1decc28e00f2fbbd22ecdec5bb833
+Subproject commit 2e85149c61ef72723654f8b5941595ec96564bdd