1 ●─╮ Commit P - Merge O into N
3 ●─│─╮ Commit N - Merge M into L
5 ●─│─╮ Commit L - Merge K into J
6 │ ●─╯ Commit K - Merge J into E
7 ●─│─╯ Commit J - Merge F into I
8 ●─│─│─╮ Commit I - Merge H into C
9 │ │ │ ● Commit H after G
10 │ │ ● │ Commit F after C
11 │ ● │ │ Commit E after D
12 ●─│─╯ │ Commit C - Merge B into A
13 │ ● │ │ Commit D after Q
14 │ │ ● │ Commit B after R
15 │ │ ● │ Commit R after A
16 │ ● │ │ Commit Q after X
17 ●─│─╯ │ Commit A - Merge T into S
18 │ │ ● │ Commit T after U
19 │ │ ● │ Commit U after V
20 │ │ ● │ Commit V after W