>    ]page1 =: 1 2 , 3 4 ,: 5 6
> 1 2
> 3 4
> 5 6
>    ]page2 =: 2 * page1
>  2  4
>  6  8
> 10 12
>    ]book1 =: page1 ,: page2
>  1  2
>  3  4
>  5  6
> 
>  2  4
>  6  8
> 10 12
>    ]book2 =: page2 ,: page2
>  2  4
>  6  8
> 10 12
> 
>  2  4
>  6  8
> 10 12
> 
>    ]library =: book1 ,: book2
>  1  2
>  3  4
>  5  6
> 
>  2  4
>  6  8
> 10 12
> 
> 
>  2  4
>  6  8
> 10 12
> 
>  2  4
>  6  8
> 10 12
>    ,. page1 ; +/ page1
> +----+
> |1 2 |
> |3 4 |
> |5 6 |
> +----+
> |9 12|
> +----+
>    ,. book1 ; +/ book1
> +-----+
> | 1  2|
> | 3  4|
> | 5  6|
> |     |
> | 2  4|
> | 6  8|
> |10 12|
> +-----+
> | 3  6|
> | 9 12|
> |15 18|
> +-----+
>    ,. library ; +/ library
> +-----+
> | 1  2|
> | 3  4|
> | 5  6|
> |     |
> | 2  4|
> | 6  8|
> |10 12|
> |     |
> |     |
> | 2  4|
> | 6  8|
> |10 12|
> |     |
> | 2  4|
> | 6  8|
> |10 12|
> +-----+
> | 3  6|
> | 9 12|
> |15 18|
> |     |
> | 4  8|
> |12 16|
> |20 24|
> +-----+
> 
> --Kip Murray

Sent from my iPad
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