Answer
- maze1 : RDLDLUDRDLDLURDRD
- maze2 : RDRURDRURDLDR
- maze3 : RDRULDRD
- maze4 : DRURULDRDLDRULURDRDLDLDR
- maze5 : DRDRURDLDRDRURDLDRDLDR
- maze6 : DLDRURDLDRURDRDLDRULURDLDRDLD
- maze7 : RDLURDLDLURDLDRD
- maze8 : DRURDLULDRURDR
- maze9 : RDRDRURURDLULDRURDR
- maze10: DRDLDRULULURURDRDLDRDLD
Thanks to Jan Merolant and Patrick Hamlyn