diff --git a/image/03.png b/image/03.png
index e311e8d0..e3949c4b 100644
Binary files a/image/03.png and b/image/03.png differ
diff --git a/image/04.png b/image/04.png
index da499563..65f5e0c7 100644
Binary files a/image/04.png and b/image/04.png differ
diff --git a/image/05.png b/image/05.png
index a3d8a562..1414c46a 100644
Binary files a/image/05.png and b/image/05.png differ
diff --git a/image/06.png b/image/06.png
index ec7847ed..da499563 100644
Binary files a/image/06.png and b/image/06.png differ
diff --git a/image/07.png b/image/07.png
index 44f5d512..e311e8d0 100644
Binary files a/image/07.png and b/image/07.png differ
diff --git a/image/08.png b/image/08.png
index a2479edc..abf6c32a 100644
Binary files a/image/08.png and b/image/08.png differ
diff --git a/image/09.png b/image/09.png
index eb4aa788..62ff7ca4 100644
Binary files a/image/09.png and b/image/09.png differ
diff --git a/image/10.png b/image/10.png
index 558cf0d7..2bf98505 100644
Binary files a/image/10.png and b/image/10.png differ
diff --git a/image/11.png b/image/11.png
index 1ab97ab2..a301cafb 100644
Binary files a/image/11.png and b/image/11.png differ
diff --git a/image/12.png b/image/12.png
deleted file mode 100644
index 7c4480ae..00000000
Binary files a/image/12.png and /dev/null differ