Kakuro - 8x8 intermediate online kakuro logic puzzle

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6x6: easy intermediate hard challenging expert
8x8: easy intermediate hard challenging expert
9x11: easy intermediate hard challenging expert
9x17: easy intermediate hard challenging expert

Kakuro is like a crossword puzzle with numbers. Each "word" must add up to the number provided in the clue above it or to the left. Words can only use the numbers 1 through 9, and a given number can only be used once in a word. Every kakuro puzzle has one and only solution, and can be solved through logic alone.

Kakuro Blog
Kakuro Rules
Kakuro Tutorials: Basic Challenging

Kakuro Hint: Did you know that you can use the arrow keys on your keyboard to move up and down, left and right?

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Also try sudoku and hitori

		40	15			5	39	24
	15 8				13 10
13				19 4
8			10 14			8 11
	19 30				11 4
21				8 8				7
7			3 13			8 8
30					15
16					16