diff --git a/matrices/mat2 b/matrices/mat2
new file mode 100644
index 0000000000000000000000000000000000000000..a42a7af92ee5b177ab573fbdc119026c47eb7f29
--- /dev/null
+++ b/matrices/mat2
@@ -0,0 +1,10 @@
+0 63 11 66 52 12 69 16 11 9
+63 0 53 5 12 74 8 78 52 57
+11 53 0 56 41 22 59 27 8 5
+66 5 56 0 15 77 3 82 56 60
+52 12 41 15 0 63 18 67 42 46
+12 74 22 77 63 0 80 7 23 18
+69 8 59 3 18 80 0 84 59 63
+16 78 27 82 67 7 84 0 27 23
+11 52 8 56 42 23 59 27 0 10
+9 57 5 60 46 18 63 23 10 0
diff --git a/matrices/mat3 b/matrices/mat3
new file mode 100644
index 0000000000000000000000000000000000000000..8c2ed0fc12900f3cf7f4cdc1367fbae8184415e8
--- /dev/null
+++ b/matrices/mat3
@@ -0,0 +1,10 @@
+0 5 7 57 66 87 66 66 73 12
+5 0 3 54 63 85 64 64 71 9
+7 3 0 54 63 85 64 64 71 8
+57 54 54 0 9 31 10 10 17 47
+66 63 63 9 0 22 2 5 8 56
+87 85 85 31 22 0 22 22 15 78
+66 64 64 10 2 22 0 7 8 56
+66 64 64 10 5 22 7 0 8 56
+73 71 71 17 8 15 8 8 0 63
+12 9 8 47 56 78 56 56 63 0