34 duplicated lines in:
  - layers.py (11:53, 16%)
  - models/s2s_big_baseline.py (22:64, 12%)

34 duplicated lines in:
  - layers.py (11:53, 16%)
  - models/s2s_big_hier.py (22:64, 9%)

34 duplicated lines in:
  - layers.py (11:53, 16%)
  - models/s2s_big_hier_v4.py (33:75, 9%)

34 duplicated lines in:
  - layers.py (11:53, 16%)
  - models/s2s_big_hier_128.py (34:76, 8%)