tracks=8

while true; do
for ((i=0;$i<$tracks;i++)); do
  i=suzuka
  while true; do
    cnt=$(ps -A | grep python | wc -l)
    if (( $cnt == 0 )); then
      for ((j=0;$j<6;j++)); do
        ./test_on.sh $i $j >/dev/null 2>&1 &
        sleep 3
      done
      exit
      break
    fi
    sleep 1
  done
done
done