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<?php function findFamily($n) { $numbers = str_split("$n"); $combos = array(); $count = count($numbers); for($i = 0; $i < $count; $i++) { $result = ''; foreach($numbers as $number) $result .= $number; $value = $numbers[$i]; unset($numbers[$i]); $numbers[] = $value; $combos[] = $result; } return $combos; } print_r(FindFamily(312)); ?>

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