Chevrolet: brakes, rear brakes, master cylinder

Question
i am changeing my brake lines going to the rear of the car. on my master cylinder witch of the lines going in to it go to the rear breaks?
please help

Answer
Joe;
 The lines in the back go to the rear of the master cyld.  
or  the back  of the master cyld. go to the rear brakes   ok
the right rear go to the back left of the master cyld. faceing it and the left rear to the right side faceing it.. and the front the same but to the front of the mas. cyld.   ok