#!/bin/bash

if [ $# -lt 2 ]
then
  echo "Usage: ./`basename $0` PAYLOADBITS STRENGTHBITS"
  exit 1
fi

for i in $(seq 1 $(($1 * 2))) ; do
    echo `od -N $(($2 / 8)) -An -t x1 /dev/random | tr -d " \n"` ;
done | xargs -n 2