$A\,\, 0\,\, 0\,\, 1\,\, 1$
$B\,\, 0\,\, 1\,\, 0\,\, 1$
$C\,\, 1\,\, 1\,\, 1 \,\, 0$
i.e. \(\overline {0.0} = \bar 0 = 1\), \(\overline {0.1} = \bar 0 = 1\)
\(\overline {1.0} = \bar 0 = 1\), \(\overline {1.1} = \bar 1 = 0\)