diff --git a/boards/b1.csv b/boards/b1.csv
new file mode 100644
index 0000000..56a2605
--- /dev/null
+++ b/boards/b1.csv
@@ -0,0 +1,4 @@
+s,a,i,p
+l,qu,a,y
+u,l,l,s
+o,w,h,a
diff --git a/boards/b1.txt b/boards/b1.txt
deleted file mode 100644
index f29a776..0000000
--- a/boards/b1.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-aucd
-eegh
-hios
-trea
diff --git a/boards/b2.csv b/boards/b2.csv
new file mode 100644
index 0000000..e489611
--- /dev/null
+++ b/boards/b2.csv
@@ -0,0 +1,4 @@
+w,a,n,c
+j,i,e,u
+y,g,o,e
+i,l,e,c
diff --git a/boards/b2.txt b/boards/b2.txt
deleted file mode 100644
index d4e6906..0000000
--- a/boards/b2.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-vdau
-ptuo
-ohxr
-wlhn
diff --git a/boards/b3.csv b/boards/b3.csv
new file mode 100644
index 0000000..5f1e192
--- /dev/null
+++ b/boards/b3.csv
@@ -0,0 +1,4 @@
+y,o,o,a
+p,l,n,v
+t,i,o,qu
+n,f,u,t
diff --git a/boards/b3.txt b/boards/b3.txt
deleted file mode 100644
index 5bf4efe..0000000
--- a/boards/b3.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-nxaa
-vatr
-ieba
-iurn
diff --git a/boards/b4.txt b/boards/b4.txt
deleted file mode 100644
index d410517..0000000
--- a/boards/b4.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-vdat
-pteo
-ohnr
-wlan
diff --git a/boards/b5.txt b/boards/b5.txt
deleted file mode 100644
index 00697e1..0000000
--- a/boards/b5.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-nbapi
-satrk
-iebae
-turnl
-icqme
diff --git a/boards/b6.txt b/boards/b6.txt
deleted file mode 100644
index ac05e36..0000000
--- a/boards/b6.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-nbapir
-satrkp
-iebaez
-turnls
-icqmet
-nynjro