\begin{align*}
&\rlap{\overbrace{\phantom{1+9+4}}^{14}}1+9+
\rlap{\underbrace{\phantom{4+8+2}}_{14}}4+8+
\rlap{\overbrace{\phantom{2+7+5}}^{14}}2+7+
\rlap{\underbrace{\phantom{5+6+3}}_{14}}5+6+
\rlap{\overbrace{\phantom{3+10+1}}^{14}}3+10+1\\
&\phantom{1+9+4+{}}\underbrace{\phantom{8+2+7+5+6}}
\end{align*} |