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Question: How to quickly convert this adjacency list into a graph?

Question:How to quickly convert this adjacency list into a graph?

lcz 1029 Maple
graphtheory
March 29 2021
2

Today I got some useful  graph datas  in the form of adjacency list like following:

1: 2 3 4 5
2: 1 5 6 7
3: 1 7 8 9
4: 1 9 10 11
5: 1 11 12 2
6: 2 12 13 7
7: 2 6 8 3
8: 3 7 13 14
9: 3 14 10 4
10: 4 9 15 16
11: 4 16 17 5
12: 5 17 18 6
13: 6 18 19 8
14: 8 19 15 9
15: 10 14 20 21
16: 10 21 22 11
17: 11 22 23 12
18: 12 23 24 13
19: 13 24 20 14
20: 15 19 25 21
21: 15 20 22 16
22: 16 21 25 17
23: 17 25 24 18
24: 18 23 25 19
25: 20 24 23 22

I originally planned to enter them in maple one by one manually,

with(GraphTheory):
G:=Graph({{1,2},{1,3},{1,4},{1,5},{2,5},{2,6},{2,7},{3,7},{3,8},{3,9},{4,9},{4,10},{4,11},{5,11},{5,12},{6,7},{6,12},{6,13},{7,8},{8, 7}, {8,13},{8,14},{9,14},{9,10},{10,15},{10,16},{11,16},{11,17},{12,17},{12,18},{13,18},{13,19},{14,19},{14,15},{15,20},{15,21},{16,21},{16,22},{17,22},{17,23},{10,9},{10,15},{10,16},{11,16},{11,17},{12,17},{12,18},{13,18},{13,19},{14,19},{14,15},{15,20},{15,20},{15,21},{16,21},{16,22},{17,22},{17,23},{18,23},{18,24},{19,20},{19,24},{20,21},{20,25},{21,22},
{22,25},{23,24},{23,25},{24,25}})

 

but I will consider a lot of graph datas, I don’t know if there is a program that can help, Thanks advance!

 
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