Problem of the Week
By Trudy Gau

Problem of the Week
By Trudy Gau
Good luck with this week's problems.
Use the numbers 1–4.
Each row, column and 2 × 2 box must contain 1, 2, 3 and 4 once.


Use the numbers 1–6.
Each row, column and 2 × 3 box must contain 1–6 once.


Use the numbers 1–9.
Every row, column and 3 × 3 box must contain the numbers 1–9 once.

