Doppelzïpper
- Counting circles
The brief
DOPPELGÄNGER SUDOKU:
- Fill each cell of the main 9x9 grid such that every row, column and 3x3 box contains a 0 and eight different digits from 1-9.
- No two rows, no two columns and no two boxes may be missing the same digit.
- For each 0 in the grid, the digits missing in its row, column and region must be three different digits.
- Use the cells outside the main grid to keep track of which digit is missing for each row, column and box.
COUNTING CIRCLES:
- A digit in a circle indicates exactly how many circles contain that digit.
ZIPPERS:
- Any two digits on a lavender zipper line that are an equal distance from the central spot sum to the digit on that central spot.