package main

import (
    "bufio"
    "fmt"
    "os"
    "strconv"
    "strings"
)

type  (
    tRow []int
    tData2 []tRow
)

func main() {
    var (
        a   tData2
        c   tRow
        row int
    )

    // Чтение данных из файла 2D.dat
    fin, _ := os.Open("2D.dat")
    defer fin.Close()

    for scanner := bufio.NewScanner(fin); scanner.Scan(); row++ {
        if scanner.Text() == "" {
            break
        }
        c = make([]int, 0)
        for _, snum := range strings.Fields(scanner.Text()) {
            if x, err := strconv.Atoi(snum); err == nil {
                c = append(c, x)
            }
        }
        fmt.Printf("Row #%2d: %v\n", row, c)
        a = append(a, c)
    }
    fmt.Println(a)
}