1 / 30
Double List Stl - rwwfarc
2 / 30
Double List Stl - tcwzonh
3 / 30
Double List Stl - zcy6vji
4 / 30
Double List Stl - zqvo5b7
5 / 30
Double List Stl - ra1tw6l
6 / 30
Double List Stl - 1w87qvf
7 / 30
Double List Stl - 8151ei5
8 / 30
Double List Stl - bpnczb4
9 / 30
Double List Stl - velz7xi
10 / 30
Double List Stl - zskrjr9
11 / 30
Double List Stl - gz0hf76
12 / 30
Double List Stl - 6qbrbem
13 / 30
Double List Stl - 4e0qmum
14 / 30
Double List Stl - g1j5cba
15 / 30
Double List Stl - w3m935a
16 / 30
Double List Stl - tumtql3
17 / 30
Double List Stl - b9u9l2a
18 / 30
Double List Stl - 042d1n0
19 / 30
Double List Stl - ycqahj4
20 / 30
Double List Stl - m87zlm0
21 / 30
Double List Stl - zr2fhrx
22 / 30
Double List Stl - ixkg4x5
23 / 30
Double List Stl - 12dm3nm
24 / 30
Double List Stl - bv8t3wh
25 / 30
Double List Stl - 0al90sg
26 / 30
Double List Stl - tgxksc6
27 / 30
Double List Stl - 5a5peha
28 / 30
Double List Stl - wr4ilcj
29 / 30
Double List Stl - 1scw5en
30 / 30
Double List Stl - h3b6k3h


Each element keeps information on how to locate the next and the previous elements, allowing constant time insert and erase operations before or after a.