| Giver | Post | Date |
| TheUltimateWinner | Re: In the xy-coordinate system,if (a,b) and (a+3, b+k) are two | 13-Apr-2020 |
| DishaH | Re: In the xy-coordinate system,if (a,b) and (a+3, b+k) are two | 03-Sep-2018 |
| BalysLTU | Re: In the xy-coordinate system,if (a,b) and (a+3, b+k) are two | 25-Oct-2017 |
| pinkcupcake | Re: In the xy-coordinate system,if (a,b) and (a+3, b+k) are two | 12-Mar-2015 |