$\begin{array}{1 1} \lambda_p = \lambda_n > \lambda_e > \lambda_{\alpha} \\ \lambda_{\alpha} < \lambda_p = \lambda_n < \lambda_e \\ \lambda_e = \lambda_p = \lambda_n > \lambda_{\alpha} \\ \lambda_e = \lambda_p > \lambda_n > \lambda_{\alpha} \end{array} $