<2 branches vs v1, 2 with structural changes> base v1 (15c51f8)
a  merge-base 15c51f8  1 ahead 0 behind  1 file, +2 ~2 -2 structures
b  merge-base 15c51f8  1 ahead 0 behind  1 file, +2 ~2 -2 structures
overlap (structures touched by 2+ branches): 6 in 1 file
  basic.ipynb::cell 2 (code).Ledger.average   a(+)  b(+)
  basic.ipynb::cell 2 (code).Ledger.mean      a(-)  b(-)
  basic.ipynb::cell 4 (code).DEFAULT_REGION   a(~)  b(~)
  basic.ipynb::cell 4 (code).count            a(+)  b(+)
  basic.ipynb::cell 4 (code).describe         a(-)  b(-)
  basic.ipynb::cell 4 (code).report           a(~)  b(~)
colliding new names (added independently on 2+ branches): 2
  average   a:basic.ipynb:32  b:basic.ipynb:32
  count     a:basic.ipynb:62  b:basic.ipynb:62
merge order (a hint, not a verdict): a < b   (all share 6 structures; ordered by change size, a touches 6 and b touches 6)
[exit 0]
