diff --git a/TaskB03/description.txt b/TaskB03/description.txt
index 923db32..1ac57a0 100644
--- a/TaskB03/description.txt
+++ b/TaskB03/description.txt
@@ -49,5 +49,9 @@ Program nie musi sprawdzać, czy tekst wczytany ze standardowego
 wejścia jest poprawnym opisem automatu i czy automat jest
 deterministyczny i nie zawiera cykli.
 
+NOTE: Task only for students whose student index number ("numer
+indeksu") is divisable by 3 with a remainder of 1
+
 POINTS: 14
 DEADLINE: 2019-12-16 23:59
+REMAINDER: 0/3
diff --git a/TaskB04/description.txt b/TaskB04/description.txt
index 56cf594..3f9243c 100644
--- a/TaskB04/description.txt
+++ b/TaskB04/description.txt
@@ -16,5 +16,9 @@ deterministyczny i nie zawiera cykli.
 
 Ewentualne wagi należy pomijać.
 
+NOTE: Task only for students whose student index number ("numer
+indeksu") is divisable by 3 with a remainder of 1
+
 POINTS: 14
 DEADLINE: 2019-12-16 23:59
+REMAINDER: 1/3
diff --git a/TaskB05/description.txt b/TaskB05/description.txt
index accd5d4..cae4f83 100644
--- a/TaskB05/description.txt
+++ b/TaskB05/description.txt
@@ -15,6 +15,9 @@ w przeciwnym razie
 
 NIE
 
+NOTE: Task only for students whose student index number ("numer
+indeksu") is divisable by 3 with a remainder of 2
 
 POINTS: 14
 DEADLINE: 2019-12-16 23:59
+REMAINDER: 2/3
diff --git a/blend.sh b/blend.sh
index 08d54f2..f87932e 100755
--- a/blend.sh
+++ b/blend.sh
@@ -19,7 +19,7 @@ cp "${PREFIX}/count-points.pl" arena/
 cp "${PREFIX}/overrides.txt" arena/
 cp "${PREFIX}/Makefile" arena/
 
-for TX in X01 X02 X03 X04 B00 B01 B02 E01 E02 E03 E04 # X05 X06 X07 X08 X09 X10 B03 B04 X10
+for TX in X01 X02 X03 X04 B00 B01 B02 B03 B04 B05 E01 E02 E03 E04 # X05 X06 X07 X08 X09 X10 B03 B04 X10
 do
     mkdir -p arena/Task$TX
 done