diff --git a/2021/Flynn b/2021/Flynn
index 9345239..968c099 160000
--- a/2021/Flynn
+++ b/2021/Flynn
@@ -1 +1 @@
-Subproject commit 93452395375b96437cc7a11f70ba3e85966fa9a9
+Subproject commit 968c099b69e2b09b85614dc780c1f356efe1a1b2
diff --git a/2021/Lox b/2021/Lox
index 0bbc639..4701dc2 160000
--- a/2021/Lox
+++ b/2021/Lox
@@ -1 +1 @@
-Subproject commit 0bbc63939d4e6f70490f9ef07c28522b13e45fde
+Subproject commit 4701dc2caeee05336bc4194c2e659a95f8f600b1
diff --git a/2021/Timpy b/2021/Timpy
index 019bbc9..66b6cb5 160000
--- a/2021/Timpy
+++ b/2021/Timpy
@@ -1 +1 @@
-Subproject commit 019bbc9156a7c1ce4f3f744849ce96cf976562c6
+Subproject commit 66b6cb5702df0ee249132de32ab6c5678a21fb99
diff --git a/2021/beardhatcode b/2021/beardhatcode
index ea4d645..e335a0d 160000
--- a/2021/beardhatcode
+++ b/2021/beardhatcode
@@ -1 +1 @@
-Subproject commit ea4d645ddc164968adec5b4ce5d10b9c4a36f644
+Subproject commit e335a0d960e1c37701399d1f5aac1ce9d71850c0
diff --git a/2021/chvp b/2021/chvp
index 894f8c5..d5817e6 160000
--- a/2021/chvp
+++ b/2021/chvp
@@ -1 +1 @@
-Subproject commit 894f8c54bb8e55450329c5cd7283588629a4ec6e
+Subproject commit d5817e6e5a21317c4e8dda2c1daf0b4d18abb02d
diff --git a/2021/iasoon b/2021/iasoon
index 0a07a29..4dba479 160000
--- a/2021/iasoon
+++ b/2021/iasoon
@@ -1 +1 @@
-Subproject commit 0a07a29a5308042c8335ce6f2bd5d2f90ea6ae1a
+Subproject commit 4dba47990a71a3ef416b2c650368a7b9f6054321
diff --git a/2021/ninewise b/2021/ninewise
index 563e354..3f81bb1 160000
--- a/2021/ninewise
+++ b/2021/ninewise
@@ -1 +1 @@
-Subproject commit 563e354df57b8c45891ede5f094a88f9bf07ef3c
+Subproject commit 3f81bb1d8b4e724dc12569b0e1fb75b61a479bf7
diff --git a/2021/redfast00 b/2021/redfast00
index 6ac7118..3c31ce7 160000
--- a/2021/redfast00
+++ b/2021/redfast00
@@ -1 +1 @@
-Subproject commit 6ac7118079270f3c8ed17f211ef5581c00816580
+Subproject commit 3c31ce707e06dd0957b97ecc882fc912725c1514
diff --git a/2021/robbe b/2021/robbe
index 75c8c89..968fc17 160000
--- a/2021/robbe
+++ b/2021/robbe
@@ -1 +1 @@
-Subproject commit 75c8c89d082a9373e172e4e3c1ae1ef86072b29a
+Subproject commit 968fc17a7c6af4c7c0d74b0126977910df211fc8
diff --git a/2021/silvius b/2021/silvius
index 0229368..070a363 160000
--- a/2021/silvius
+++ b/2021/silvius
@@ -1 +1 @@
-Subproject commit 0229368ddbc1f0cc182b02e2f1cdaafc321c08ff
+Subproject commit 070a363642ff3e45fed950e3fb5d1887e5952528