const OUTER_COUNT = 4
    const INNER_COUNT = 8
    func main() {
        var s [][]string
        for i := 0; i < OUTER_COUNT; i++ {
            sl := make([]string,0,INNER_COUNT)
            for j := 0; j < INNER_COUNT; j++ {
                sl = append(sl,"a")
            }
            s = append(s,sl)
        }
        fmt.Println(s)
    }