#!/bin/bash
echo ' 0 1 2 3 4 5 6 7 8 9 A B C D E F'
echo
for y in 0 1 2 3 4 5 6 7 8 9 A B C D E F; do
echo -n "$y "
for x in 0 1 2 3 4 5 6 7 8 9 A B C D E F; do
echo -ne "\e[43m\U1fb$x$y\e[49m "
done