string(3) "620" string(0) ""
string(3) "450" string(0) ""
string(3) "520" string(0) ""
string(3) "550" string(0) ""
string(3) "310" string(0) ""
string(3) "820" string(3) "820"
string(3) "520" string(3) "520"
string(3) "370" string(3) "370"
string(3) "275" string(3) "275"