Share this postKeeping Your Mind Active As You Agemarkstarlinwrites.substack.comCopy linkFacebookEmailNoteOtherLifeKeeping Your Mind Active As You AgeWalt & StanMark StarlinMar 31, 202212Share this postKeeping Your Mind Active As You Agemarkstarlinwrites.substack.comCopy linkFacebookEmailNoteOther6ShareBackground image: Stefan SiegelMaybe Sudoku will do.PreviousNext
Sudoku works. But if it’s too easy with numbers, use nine colors. When that gets too easy, use nine shades of green.
That was fun!