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: Not sure what a number is yet? Fill in its remaining possible values -- the cell will automatically resize to accommodate.

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Also try sudoku and hitori

	16	5			19	10	15
8			29	17				10	17
21				24 29
		30					12 25
	19	17 30				11
16					28	8 12
9			12 6					28	4
13				23 12
	10					14	8 18
	31 6
13			10	25 4					7
20						13 26
		17 14					8 16
	3 8				14
6				7	9 19
5			16 7					11	6
31						12
		11					14