Is L(K4) graph planar?

discrete-mathematics graph-theory planar-graphs

I'm a little confused with L(K4) [Line-Graph]

I had a text where L(K4) is not planar. Today I found this: https://i.stack.imgur.com/8g2na.png

So is L(K4) planar?

Thanks


$K_4$ is a graph on $4$ vertices and 6 edges. The line graph of $K_4$ is a 4-regular graph on 6 vertices as illustrated below:

It has a planar drawing(Hence planar):

enter image description here

enter image description here

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