[414−214114314]\left[\begin{array}{cc}\frac{4}{14} & \frac{-2}{14} \\\frac{1}{14} & \frac{3}{14}\end{array}\right][14414114−2143]
[314−214114414]\left[\begin{array}{cc}\frac{3}{14} & \frac{-2}{14} \\\frac{1}{14} & \frac{4}{14}\end{array}\right][14314114−2144]
[−314214114−414]\left[\begin{array}{cc}\frac{-3}{14} & \frac{2}{14} \\\frac{1}{14} & \frac{-4}{14}\end{array}\right][14−314114214−4]
[314214−114414]\left[\begin{array}{cc}\frac{3}{14} & \frac{2}{14} \\\frac{-1}{14} & \frac{4}{14}\end{array}\right][14314−1142144]