fill column A with random AA BB CC, fill column B with random data

select B and open grouped box – indexed data

set group to column A and click OK.

Repeat Step 2 and click OK directly.

Open Merge Graphs dialog. Set Graphs scope to All in Active Folder (Include Embedded).

Set Rows X Columns to 2 X 1. Turn on Preview. ==> The page titles of the two layers are overlapping on top position of the window.