Question 1
A $5\times5$ farm contains houses of six farmers $A$–$F$, as shown. Distribute its nineteen other squares: $D$ receives five, $A,F$ four each, and $B,C,E$ two each. Every allocated square must be in the row or column of its owner\'s house and connected to it directly or through the owner\'s other squares. Fill all blank squares with the owner\'s letter.

