Question 7
In the $6\times6$ grid below, each row and column contains three kinds of digits: one $1$, two $2$s and three $3$s. A bold line is drawn between two adjacent squares if and only if both contain the same number. Now all the numbers have been erased. Complete the grid.

Original answer grid:

Answer entry: enter the six rows from top to bottom, with the six digits of each row together and a semicolon between rows.

Original answer grid:

Answer entry: enter the six rows from top to bottom, with the six digits of each row together and a semicolon between rows.