Three aqua stripes should run just inside the bottom border edge of the last cell in the first three columns and up the right border edge of the cells in the third column.
Three aqua stripes should also run just inside the top border edge of the first cell in the last column and down the left border edge of each cell in that column.
| TH A | TH B | TH C | TH D |
|---|---|---|---|
| TD M | TD O | TD P | |
| TD E | TD F | TD G | TD H |
| TD J | TD K | TD L | |
| TH A | TH B | TH C | TH D |
|---|---|---|---|
| TD M | TD P | ||
| TD E | TD F | TD G | TD H |
| TD J | TD K | TD L | |