Determine which of the indicated column vectors K are eigenvectors of the given matrix A by reporting the corresponding eigenvalue (if a column vector K is not an eigenvector of A, then enter none).
A = [ 1 -2 2 ]
[ -2 1 -2 ]
[ 2 2 1 ]
K1 = [0] [1] [1], λ1 = _________
