Birthday Wishes

by Dr Logic · Difficulty 1 of 5 by Dr Logic

CASE 1639

Birthday Wishes

by 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.

Happy Birthday Dr. Logic! Contains the full solution
181819181818181818181820058818118