Only as a solution. I have enough of an ego without trying to have gold stars...

>GIVE that man some gold stars!
>
>>Got it:
>>
>>

>>FOR yy = 1 TO max_room
>>	FOR xx = 1 TO n_lines
>>		WAIT WINDOW "Next slot: " + 'Line ' + ALLTRIM(STR(xx)) + ' - ' + 'Room ' + ALLTRIM(STR(yy)) + ' : ' + ALLTRIM(STR(x_room( xx, yy )))
>>	ENDFOR
>>ENDFOR
>>

>>
>>
>>>The x_room array displays like the following with each line grouped together by the four columns:
>>>
>>>

>>>(Line,Room)
>>>
>>>(1,1)
>>>(1,2)
>>>(1,3)
>>>(1,4)
>>>(2,1)
>>>.
>>>.
>>>.
>>>(25,4)
>>>

>>>
>>>I want to move through it like this so all the rooms are in order of groups of 25:
>>>
>>>

>>>(Line,Room)
>>>
>>>(1,1)
>>>(2,1)
>>>(3,1)
>>>(4,1)
>>>(5,1)
>>>.
>>>.
>>>.
>>>(25,1)
>>>(1,2)
>>>(2,2)
>>>(3,2)
>>>(4,2)
>>>(5,2)
>>>.
>>>.
>>>.
>>>(25,2)
>>>.
>>>.
>>>.
>>>

>>>
>>>This is the basic code that goes through it currently:
>>>
>>>

>>>FOR yy = 1 TO max_room
>>>	FOR xx = 1 TO n_lines
>>>		WAIT WINDOW "Next slot: " + ALLTRIM(STR(x_room( xx, yy )))
>>>	ENDFOR
>>>ENDFOR
>>>