# Pastebin 3SkvTtEr
...     "  # Layout /usr/lib/tcltk/x86_64-linux-gnu/tk8.5: bind $SNAP/usr/lib/tcltk/x86_64-linux-gnu/tk8.5\n" +
...     "  mount options=(rbind, rw) /snap/tricky/42/usr/lib/tcltk/x86_64-linux-gnu/tk8.5/ -> /usr/lib/tcltk/x86_64-linux-gnu/tk8.5/,\n" +
...     "  umount /usr/lib/tcltk/x86_64-linux-gnu/tk8.5/,\n" +
...     "  # Writable mimic /usr/lib/tcltk/x86_64-linux-gnu\n" +
...     "  mount options=(rbind, rw) /usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/ -> /tmp/.snap/usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/,\n" +
...     "  mount fstype=tmpfs options=(rw) tmpfs -> /usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/,\n" +
...     "  mount options=(rbind, rw) /tmp/.snap/usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/** -> /usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/**,\n" +
...     "  mount options=(bind, rw) /tmp/.snap/usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/* -> /usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/*,\n" +
...     "  umount /tmp/.snap/usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/,\n" +
...     "  umount /usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}{,/**},\n" +
...     "  /usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/** rw,\n" +
...     "  /usr/lib/tcltk/x86_64-linux-gnu/ rw,\n" +
...     "  /usr/lib/tcltk/ rw,\n" +
...     "  /usr/lib/ rw,\n" +
...     "  /tmp/.snap/usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}/** rw,\n" +
...     "  /tmp/.snap/usr/lib/tcltk/x86_64-linux-gnu/ rw,\n" +
...     "  /tmp/.snap/usr/lib/tcltk/ rw,\n" +
...     "  /tmp/.snap/usr/lib/ rw,\n" +
...     "  /tmp/.snap/usr/ rw,\n" +
...     "  /tmp/.snap/ rw,\n" +
...     "  # Writable mimic /snap/tricky/42/usr/lib/tcltk/x86_64-linux-gnu\n" +
...     "  mount options=(rbind, rw) /snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/ -> /tmp/.snap/snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/,\n" +
...     "  mount fstype=tmpfs options=(rw) tmpfs -> /snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/,\n" +
...     "  mount options=(rbind, rw) /tmp/.snap/snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/** -> /snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/**,\n" +
...     "  mount options=(bind, rw) /tmp/.snap/snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/* -> /snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/*,\n" +
...     "  umount /tmp/.snap/snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/,\n" +
...     "  umount /snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}{,/**},\n" +
...     "  /snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/** rw,\n" +
...     "  /snap/tricky/42/usr/lib/tcltk/x86_64-linux-gnu/ rw,\n" +
...     "  /snap/tricky/42/usr/lib/tcltk/ rw,\n" +
...     "  /snap/tricky/42/usr/lib/ rw,\n" +
...     "  /snap/tricky/42/usr/ rw,\n" +
...     "  /snap/tricky/42/ rw,\n" +
...     "  /snap/tricky/ rw,\n" +
...     "  /tmp/.snap/snap/tricky/42/{,usr/{,lib/{,tcltk/{,x86_64-linux-gnu}}}}/** rw,\n" +
...     "  /tmp/.snap/snap/tricky/42/usr/lib/tcltk/x86_64-linux-gnu/ rw,\n" +
...     "  /tmp/.snap/snap/tricky/42/usr/lib/tcltk/ rw,\n" +
...     "  /tmp/.snap/snap/tricky/42/usr/lib/ rw,\n" +
...     "  /tmp/.snap/snap/tricky/42/usr/ rw,\n" +
...     "  /tmp/.snap/snap/tricky/42/ rw,\n" +
...     "  /tmp/.snap/snap/tricky/ rw,\n" +
...     "  /tmp/.snap/snap/ rw,\n" +
...     "  /tmp/.snap/ rw,\n"