#!/bin/bash

declare -A tableau
for (( i = 0; i < 8; i++ )); do
	for (( j = 0; j < 7; j++ )); do
		tableau[$i,$j]="_"
	done
done

tableau[0,0]="_"

tableau[1,0]="1 "
tableau[2,0]="2 "
tableau[3,0]="3 "
tableau[4,0]="4 "
tableau[5,0]="5 "
tableau[6,0]="6 "
tableau[7,0]="7 "
tableau[8,0]="8 "

tableau[0,1]="1 "
tableau[0,2]="2 "
tableau[0,3]="3 "
tableau[0,4]="4 "
tableau[0,5]="5 "
tableau[0,6]="6 "
tableau[0,7]="7 "

for (( i = 0; i < 8; i++ )); do
	for (( j = 0; j < 7; j++ )); do
		echo -n ${tableau[$i,$j]}
	done
	echo ""
done