14 duplicated lines in:
  - atari/atari_game_specific.h (50:70, 25%)
  - go/go_game_specific.h (86:106, 27%)

8 duplicated lines in:
  - atari/game_context.h (50:57, 13%)
  - go/game_context.h (40:47, 14%)

8 duplicated lines in:
  - atari/game.py (176:186, 6%)
  - go/game.py (163:173, 6%)