Excel Count max number of overlapped time frame

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Hi all,

As per title, how can do will the below data set?
F G
13:03 14:31
13:04 14:25
13:05 19:00
13:37 15:45
13:31 14:24
14:02 15:00
14:03 15:32
14:05 14:45
14:35 15:35
How can i know the max times overlapped for the above 10 sets of data? thanks!

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