$ cat run.sh.o1
Hello world: rank 0 of 48 running on keisan11
Hello world: rank 1 of 48 running on keisan11
（略）
Hello world: rank 23 of 48 running on keisan11
Hello world: rank 24 of 48 running on keisan12
Hello world: rank 25 of 48 running on keisan12
（略）
Hello world: rank 47 of 48 running on keisan12