munderover-08.tex

\underset{\mathrm{under-2}}{\overset{\phantom{\mathrm{fail}}}{\underset{\mathrm{under-1}}{\overset{\phantom{\mathrm{fail}}}{\mathrm{BASE}}}}}=\underset{\mathrm{under-2}}{\underset{\mathrm{under-1}}{\mathrm{BASE}}}