How to easily transfer trains from Gucheng to Tianmen South? Where to transfer?

The EMU transfer route from Gucheng to Tianmen South:

1.D5222, departing from Gucheng at 8:10 and arriving at Hankou at 11:12, the train runs for 3 hours and 2 minutes. The ticket for waiting seats is 113.5 yuan;

2. D2236/D2237, departing from Hankou at 12:11 and arriving at Tianmen South at 13:02, the train runs for 51 minutes, and the second-class ticket is 24.5 yuan.