Birthday Wishes
by Dr Logic
More from Dr Logic
- Killer cages
- Kropki dots
- Arrows
- Whisper lines
- Renban lines
- Palindromes
- Sandwiches
The brief
Rules: Normal Sudoku Rules Apply Numbers at the top of the grid are the sum of the numbers between 1 and 9 in that column. Cells along a purple renban line form a consecutive sequence of digits, in any order. Cells along a green german whisper line have a difference of at least 5. Cells in a killer cage must sum to the total in the corner of the cage, with no repeats. Cells seperated with a black dot must be in the ratio 1:2. Cells along the shaft of an arrow sum to the circle at the base. Cells along a grey line form a palindrome.