func parseInput(input string) [9][9]int {
	board := [9][9]int{}
	scanner := bufio.NewScanner(strings.NewReader(input))

	scanner.Split(bufio.ScanRunes)

	for row := 0; row < 9; row++ {
		for col := 0; col < 9; col++ {
			scanner.Scan()
			i1, _ := strconv.Atoi(scanner.Text())
			board[row][col] = i1
		}
	}
	return board
}