diff --git a/docs/blocks-1.png b/docs/blocks-1.png
new file mode 100644
index 0000000..527ffa2
Binary files /dev/null and b/docs/blocks-1.png differ
diff --git a/docs/blocks.pdf b/docs/blocks.pdf
new file mode 100644
index 0000000..45d1535
Binary files /dev/null and b/docs/blocks.pdf differ