diff --git a/img/img6.png b/img/img6.png new file mode 100644 index 0000000..27561cc Binary files /dev/null and b/img/img6.png differ diff --git a/img/img6_2.png b/img/img6_2.png new file mode 100644 index 0000000..b3477e0 Binary files /dev/null and b/img/img6_2.png differ diff --git a/img/img7.png b/img/img7.png new file mode 100644 index 0000000..981b5ce Binary files /dev/null and b/img/img7.png differ diff --git a/img/img8.png b/img/img8.png new file mode 100644 index 0000000..525899d Binary files /dev/null and b/img/img8.png differ