OnlySudoku

Step by step example of solving a level 5 (very hard) sudoku puzzle

Step 35

Let’s look at the bottom left box (where GHI cross JKL). This is another simple sudoku move. The number 3 cannot be in cell HL because as we found in the previous step, the number 3 is already in cell BL. Hence, 3 must be in cell HK.

1	8	7
5	4	3
9	2	6

3	4
6	2
8	7


		7
		4

4		1
3		2
8

2	6	8
9	5	4
7	1	3

3		5
		8
4	2

2	1	8
6	Step35: 3
7	5	4

4	9	7
5	8	2
1	3	6

5	6	3
7	4	1
9	8	2

Choose the Step

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36
37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54

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