diff --git a/images/8_2.png b/images/8_2.png new file mode 100644 index 0000000..f05037f Binary files /dev/null and b/images/8_2.png differ diff --git a/images/8_3.png b/images/8_3.png new file mode 100644 index 0000000..e0c3dfb Binary files /dev/null and b/images/8_3.png differ diff --git a/images/8_4.png b/images/8_4.png new file mode 100644 index 0000000..e5fc9c6 Binary files /dev/null and b/images/8_4.png differ diff --git a/images/8_5.png b/images/8_5.png new file mode 100644 index 0000000..66dc153 Binary files /dev/null and b/images/8_5.png differ diff --git a/images/8_6.png b/images/8_6.png new file mode 100644 index 0000000..5c761ea Binary files /dev/null and b/images/8_6.png differ