multi_list = list(c1=list(1,2,3),
                  c2=list(10,20,30),
                  c3=list(100,200,300))
 
> multi_list$c1; multi_list$c2; multi_list$c3
[[1]]
[1] 1
 
[[2]]
[1] 2
 
[[3]]
[1] 3
 
[[1]]
[1] 10
 
[[2]]
[1] 20
 
[[3]]
[1] 30
 
[[1]]
[1] 100
 
[[2]]
[1] 200
 
[[3]]
[1] 300