19 Test file number 209

  19.1 Problem number 209
  19.2 Problem number 759
  19.3 Problem number 1554
  19.4 Problem number 1669
  19.5 Problem number 1778
  19.6 Problem number 1779
  19.7 Problem number 2194
  19.8 Problem number 2274
  19.9 Problem number 2276
  19.10 Problem number 2277
  19.11 Problem number 2531
  19.12 Problem number 2622
  19.13 Problem number 2728
  19.14 Problem number 2737

Test folder name:

test_cases/209_Blake_problems