Vertical cms caroursel slider

Hello everyone, can anyone PLEASE help me with this vertical cms slider?
I’m struggling a lot to do it
I’m trying to build this section and it’s being very tricky. Cause it’s a vertical cms slider and on one slider it should appear 4 cms elements and in the other too. I know we can restrict the number of the elements that are going to be displayed, but on the second slide should continue from the last one on the first slide

Here is my public share link: