keep duplicates

[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]
[l]