help!!! find basis of a vector space , i am stuck

Can someone help me with this question?
matrix A =
1 6 4 -3
1 6 6 -3
4 24 13 -13
-1 -6 3 4
U is the row space of A (row(A)) and C is the column space of A (col(A)). They give me that dim(U∩C)=2, and the question is:
find a basis for U∩C