If \(\left| {\begin{array}{*{20}{c}}
{2a + b + c}&{a + 2b + c}&{a + b + 2c} \\
{a + 2b + c}&{a + b + 2c}&{2a + b + c} \\
{a + b + 2c}&{2a + b + c}&{a + 2b + c}
\end{array}} \right| = \lambda \left| {\begin{array}{*{20}{c}}
a&b&c \\
b&c&a \\
c&a&b
\end{array}} \right|\), then the value of λ is
1. 4
2. -4
3. 0
4. 4(a + b + c)