munderover-06.tex

\underset{\mathrm{second\ one}}{\overset{\mathrm{first\ overscript}}{\underset{\mathrm{first\ under\ script}}{\overset{\mathrm{second\ overscript}}{\mathrm{BASE}}}}}=\underset{\mathrm{second\ one}}{\overset{\mathrm{first\ overscript}}{\overset{\mathrm{second\ overscript}}{\underset{\mathrm{first\ under\ script}}{\mathrm{BASE}}}}}