$arr1["han"]["weight"]: 60
$arr1["han"]["height"]: 170
$arr1["seo"]["weight"]: 70
$arr1["seo"]["height"]: 180

$arr2["han"]["weight"]: 60
$arr2["han"]["height"]: 170
$arr2["seo"]["weight"]: 70
$arr2["seo"]["height"]: 180