I don't know how to spoiler a blockquote, so this looks awful, and I don't know what 16A is supposed to be, but everything else fits: >! ................M >! ............MMMCD >! ....MMMX....M...C >! ......X.M.MMMV..C >! ....M.CML.M.C.... >! ...MMDV.X.M.MMCM. >! ..M.D..MXCI....M. >! .MMML..C....M..M. >! ..I....M....M??D. >! MCXC..MLIV..M..C. >! .X....C.....D.... >! XLIX..M.MMMDIII.. >! ......V.....V....