1This is a long file 2These lines are the same in all three files 3These lines are the same in all three files 4This line is different in mine 5These lines are the same in all three files 6These lines are the same in all three files 7These lines are the same in all three files 8This line is different in yours 9These lines are the same in all three files 10These lines are the same in all three files 11This line is different in yours and mine, but the same 12These lines are the same in all three files 13These lines are the same in all three files 14These lines are the same in all three files 15These lines are the same in all three files 16This line is different in yours and mine, but the different in each 17These lines are the same in all three files 18These lines are the same in all three files 19These lines are the same in all three files 20These lines are the same in all three files 21This line is deleted in mine 22These lines are the same in all three files 23These lines are the same in all three files 24These lines are the same in all three files 25This line is deleted in yours 26These lines are the same in all three files 27These lines are the same in all three files 28