Overwriting a letter with combining diacritic with a letter without in an
80-column line:

xxxxxMu[combining diaeresis]nchenxxx[...] ESC [ 7 G u:
xxxxxMünchenxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxu

Overwriting a letter without combining diacritic with a letter with combining diacritic in an 80-column line:

xxxxMunchenxxx[...] ESC [ 6 G u [combining diaeresis]:
xxxxMunchenxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxü