It's all in the title, but it's basically as follows...
"Four" screen shows 5 (almost)
"Three" screen shows 4
"Two" screen shows 3
"One" screen shows 2
"Engage" screen shows 1
"Four" screen shows 5 (almost)
"Three" screen shows 4
"Two" screen shows 3
"One" screen shows 2
"Engage" screen shows 1