diff --git a/flowchart.png b/flowchart.png
new file mode 100644
index 0000000..b7150b1
Binary files /dev/null and b/flowchart.png differ
diff --git a/flowchart_ver1.png b/flowchart_ver1.png
deleted file mode 100644
index 70187e9..0000000
Binary files a/flowchart_ver1.png and /dev/null differ