How to split one vector in to multiple vectors with pattern in R

Question

I have a vector and I want to split it into multiple vectors with some pattern. For example:

a table x with a vector  of 14 numbers like:
x
1
2
3
4
5
6
7
8
9
10
11
12
13
14

I want to create a new table with multiple vectors based on above vector

n=2,m1=3,m2=4
column n=2, for column1:row=n*m1 and column2: row= n*m2 (Here, the number could be variables)

1   7
2   8
3   9
4   10
5   11
6   12
    13
    14

Many thanks

Answer 1

markus's solution is correct. Many thanks.

n <- 2; split(1:14, rep(1:2, n*3:4))