1 This is line 1.
   2 This is line 2.
   3 THIS IS LINE 3.
   4 THIS IS LINE 4.
   5 This is line 5.
   6 This is line 6.
   7 this is line 7.
   8 this is line 8.
   9 This is line 9.
  10 This is line 10.
  11 This is line 11.
  12 This is line 12.