$\begin{array}{1 1} T_1 =
1.52 \times 10^{-16}\;s,\; T_2 = 1.216 \times 10^{-16}\;s \;T_3=4.1 \times 10^{-15}\;s \\ T_1 = 1.216 \times 10^{-16}\;s,\; T_2 = 1.52 \times 10^{-16}\;s\;T_3=4.1 \times 10^{-15}\;s\\ T_1 = 4.1 \times 10^{-15}\;s,\; T_2 = 1.216 \times 10^{-16}\;s\;T_3=4.1 \times 10^{-15}\;s \end{array} $