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PHP sudoku solver

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  1. #!/usr/bin/php
  2. <?php
  3.  
  4.     for ($x=1;$x < 10; $x++) {
  5.         for ($y=1;$y < 10; $y++) {
  6.             for ($z=1;$z < 10; $z++) {
  7.                 if (($x + $y + $z == 15) && (($x != $y) && ($x != $z) && ($y != $z))) {
  8.  
  9.         for ($a=1;$a < 10; $a++)
  10.         for ($b=1;$b < 10; $b++)
  11.         for ($c=1;$c < 10; $c++)
  12.                 if (($a + $b + $c == 15) && (($a != $b) && ($a != $c) && ($b != $c)))    
  13.         for ($i=1;$i < 10; $i++)
  14.         for ($o=1;$o < 10; $o++)
  15.         for ($p=1;$p < 10; $p++)
  16.                 if (($i + $o + $p == 15) && (($i != $o) && ($i != $p) && ($o != $p)))    
  17.         if (($x + $a + $i == 15) && (($x != $a) && ($x != $i) && ($a != $i))) 
  18.         if (($y + $b + $o == 15) && (($y != $b) && ($y != $o) && ($b != $o))) 
  19.         if (($z + $c + $p == 15) && (($z != $c) && ($z != $p) && ($c != $p)))
  20.         if (($x != $b) && ($x != $c) && ($x != $o) && ($x != $p))
  21.         if (($y != $a) && ($y != $i) && ($y != $c) && ($y != $p))
  22.         if (($z != $b) && ($z != $a) && ($z != $o) && ($z != $i)) {
  23.             echo "$x $y $z\n";
  24.             echo "$a $b $c\n";
  25.             echo "$i $o $p\n\n";
  26.             flush();
  27.         //return;
  28.         }
  29.                 }
  30.             }
  31.         }
  32.     }
  33.  
  34. ?>

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