String to Bytes

What will be printed when the code below is executed?

package main
func main() {
    s := "123"
    ps := &s
    b := []byte(*ps)
    pb := &b
    s += "4"
    *ps += "5"
    b[1] = '0'
    println(*ps)
    println(string(*pb))
}

Answer

12345
103