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# miscellaneous

- `hanoi.lgt`  
	Towers of Hanoi example

- `queens.lgt`  
	N-Queens example

Print Logtalk, Prolog backend, and kernel versions (if running as a notebook):

```logtalk
%versions
```

Start by loading the example and the required library files:

```logtalk
logtalk_load(miscellaneous(loader)).
```

Towers of Hanoi using three disks:

```logtalk
hanoi::run(3).
```

<!--
Move a disk from left to right.
Move a disk from left to middle.
Move a disk from right to middle.
Move a disk from left to right.
Move a disk from middle to left.
Move a disk from middle to right.
Move a disk from left to right.

true.
-->

Placing eight queens in a chess table:

```logtalk
queens::queens(8).
```

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[1-5, 2-7, 3-2, 4-6, 5-3, 6-1, 7-4, 8-8] ;
[1-4, 2-7, 3-5, 4-2, 5-6, 6-1, 7-3, 8-8] ;
[1-6, 2-4, 3-7, 4-1, 5-3, 6-5, 7-2, 8-8] ;
[1-6, 2-3, 3-5, 4-7, 5-1, 6-4, 7-2, 8-8] ;
[1-4, 2-2, 3-8, 4-6, 5-1, 6-3, 7-5, 8-7] ;
...
-->
