Magic squares of doubly even order: Difference between revisions
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=={{header|REXX}}==
<!--! I couldn't figure out the other code's bit shifting and bit ANDing, so I wrote my own algorithm. -->
<lang rexx>/*REXX program constructs a magic square of doubly even sides (a size divisible by 4).*/
n=8; s=n%4; L=n%2-s+1; w=length(n**2) /*size; small sq; low middle; # width*/
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