Use the clues below to fill in the grid with the numbers from 1-16. Each white square (excluding the lettered squares) will have a unique value.
1. Section C contains all odd numbers
2. Section B contains all even numbers
3. D-West is 5 more than D-East; D-South is 5 more than D-North
4. The North sections add up to 40
5. A-East is greater than A-West
6. Section C contains a number and its square root
7. A-North is twice A-South and 4 times C-South
8. B-South is half of B-East and twice B-North
9. B-West is twice C-West
See the grid 
acebook
witter
sorry about the formatting
I thought that was a fun one 