|
| X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 |
| 1 | “*” | “ ” | “ ” | “ ” | “ ” | “ ” | “ ” | “ ” |
| 2 | “*” | “ ” | “ ” | “ ” | “*” | “ ” | “ ” | “ ” |
| 3 | “*” | “ ” | “ ” | “ ” | “*” | “ ” | “ ” | “*” |
| 4 | “*” | “*” | “ ” | “*” | “ ” | “ ” | “ ” | “*” |
| 5 | “*” | “*” | “*” | “*” | “ ” | “ ” | “ ” | “*” |
| 6 | “*” | “*” | “*” | “*” | “*” | “ ” | “ ” | “*” |
| 7 | “*” | “*” | “*” | “*” | “*” | “*” | “ ” | “*” |
| 8 | “*” | “*” | “*” | “*” | “*” | “*” | “*” | “*” |