Image doesn't show up in post but it can be seen by clicking.
Anyway... in the upper right square remove the 3 from the two boxes in the left column. (there is a 3 in the bottom right square which negates them) Once those 3's are removed you'll have four boxes within that upper right square with the unique numbers 4,7,8,9... You can then negate the 7 from the box with the 1,5,7 and also the 4 from the box with 3,4,5 and the 8 from the box with the 2,3,6,8. Now you have the unique numbers 1,2,3,6 in the top row so that makes the box with the 1,8 in the upper left square a 1.
Let me know if this helped.
Cheers!
~knoregs
This message was edited 1 time. Last update was at 7 Jan 2017 03:48:25
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