How hard it is to explode a hole in concrete wall?

How hard are concrete walls to get through with explosives? Is a hand grenade enough or do you need a breaching charge like on the video games like call of duty modern warfare 2? Don't try this at home!

Here is link to Pommijätkät video from the same day https://youtu.be/uXkaQO1APQA

Link to Perustava Youtube channel for more concrete stuff https://www.youtube.com/channel/UCgooHpBSNYX-CSUxTUxeuYQ

Видео How hard it is to explode a hole in concrete wall? канала Beyond the press