debian の問題？

Unpacking libx11-6 (from .../libx11-6_4.3.0.dfsg.1-1_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libx11-6_4.3.0.dfsg.1-1_i386.deb (--unpack):
trying to overwrite `/usr/X11R6/lib/X11/locale/lib/common/ximcp.so.2', which is also in package xlibs
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Unpacking x-dev (from .../x-dev_4.3.0.dfsg.1-1_all.deb) ...
dpkg: error processing /var/cache/apt/archives/x-dev_4.3.0.dfsg.1-1_all.deb (--unpack):
trying to overwrite `/usr/X11R6/include/X11/DECkeysym.h', which is also in package xlibs-dev
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Unpacking libx11-dev (from .../libx11-dev_4.3.0.dfsg.1-1_i386.deb) ...
dpkg: error processing /var/cache/apt/archives/libx11-dev_4.3.0.dfsg.1-1_i386.deb (--unpack):
trying to overwrite `/usr/X11R6/include/X11/XKBlib.h', which is also in package xlibs-dev
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
/var/cache/apt/archives/libx11-6_4.3.0.dfsg.1-1_i386.deb
/var/cache/apt/archives/x-dev_4.3.0.dfsg.1-1_all.deb
/var/cache/apt/archives/libx11-dev_4.3.0.dfsg.1-1_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)