No. LXXIX
Can you rearrange the twelve counters on this board of 36 squares so that there are two counters on each row, column, and diagonal?
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
There must not be more than these two counters in the same straight line.
Can you rearrange the twelve counters on this board of 36 squares so that there are two counters on each row, column, and diagonal?
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
There must not be more than these two counters in the same straight line.