Kakuro - 9x17 hard online kakuro logic puzzle

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4x4: easy intermediate hard challenging expert
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: Start with clues that only have one valid combination. For example, 3 in 2 must be 1 and 2, and 23 in 3 must be 6, 8, and 9.

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Also try sudoku and hitori

	6	11			4	6	28
6			25	11 16
42								30	10
		13 16				13 12
	7 6				10 27
10				4 13			12
6			17				8 25
12			10 19			8			5
	15	17 37				11 11
12					25 27
19				11				13	18
	13 12			4 17			13
10			19				12 14
12			8 20			7
30						4 17
15				16	14 10			14	5
		30
		19					11