Senior year is here, and you’ve really made a home for yourself on campus. You’ve now mastered The Quad.
You take shortcuts across the quad to get where you need to go, and it helps you avoid people–and given digits.
Part of Quad University
Rules:
Normal Sudoku rules apply.
Quadruples: Digits found in circles must appear in one of the four surrounding cells.
Sudoku-X: Each marked diagonal contains the digits 1 to 9 exactly once.
Estimated difficulty: 3 out of 5
Solve on SudokuPad