Number reversal game: Difference between revisions

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$= /* ◄─── decimal target to be generated.*/
do until length($)==9; _=random(1, 9) /*build a random unique numeric string.*/
if pos(_, $) \== 0 then iterate /*Unique¬ unique? Only use a decimal digitdig once*/
$=$ || _ /*construct a string of unique digits. */
if $==ok then $= /*string can't be in order, start over.*/