# comment

# another comment

[add]

a = 123
b = 3
r = 126

a = 12
b = 24
r = 36

[sub]

# a comment
a = 123
b = 3
r = 120

# a similar group
[add]

a = 10
b = 12
r = 22

[base64]

a = YWJj
r = abc

a = YWJjZA==
r = abcd