diff --git a/tests/vb218 b/tests/vb218
new file mode 100644
index 0000000..c8a63eb
--- /dev/null
+++ b/tests/vb218
@@ -0,0 +1,10 @@
+parity 9;
+0 0 1 5,1;
+1 2 0 6,0;
+2 4 1 3,8;
+3 6 0 4,2;
+4 8 0 6;
+5 9 0 2;
+6 10 0 7;
+7 11 1 1;
+8 12 1 7;
diff --git a/tests/vb219 b/tests/vb219
new file mode 100644
index 0000000..4e79292
--- /dev/null
+++ b/tests/vb219
@@ -0,0 +1,9 @@
+parity 8;
+0 0 1 4,3;
+1 2 1 2,7;
+2 4 0 1,3;
+3 6 0 5,0;
+4 7 0 1;
+5 8 0 6;
+6 9 1 3;
+7 10 1 6;