How are the table tennis tables divided?

It is 2.47 meters long, 1.525 meters wide and 76 centimeters above the ground. The color of the desktop parallel to the horizontal plane is dark (according to the regulations of international competitions, it should be coated with dark green cellulose) and dull. There are 2 cm wide white lines, long edges and short edges on both sides of the table. There is a 3 mm wide white line in the center of the table top, called the center line, which divides the two tables into two parts (the center line itself should be regarded as part of the right half).