Lucky Clover
- Kropki dots
- Palindromes
The brief
Normal Sudoku rules apply. ROTATIONAL SYMMETRY- Cells 180 degree rotation apart sum to 10. PALINDROME LINES- Cells an equal distance from both ends of a line are the same number. KROPKI PAIRS- Numbers with a black dot between them are in a ratio of 2:1. Not all possible dots are shown.