deletions | additions       diff --git a/figures/panel4/caption.tex b/figures/panel4/caption.tex  new file mode 100644  index 0000000..a8a1b0c  --- /dev/null  +++ b/figures/panel4/caption.tex 
...
Replace this text with your caption  diff --git a/figures/panel4/panel4.png b/figures/panel4/panel4.png  new file mode 100644  index 0000000..580f3c1  Binary files /dev/null and b/figures/panel4/panel4.png differ diff --git a/figures/panel4/size.tex b/figures/panel4/size.tex  new file mode 100644  index 0000000..2fcf78b  --- /dev/null  +++ b/figures/panel4/size.tex 
...
height = 700\nwidth = 500  diff --git a/layout.md b/layout.md  index dbfa465..843e062 100644  --- a/layout.md  +++ b/layout.md 
...
figures/panel1/panel1.png  figures/panel2/panel2.png  figures/panel3/panel3.png  figures/panel4/panel4.png