case	shell	result
0	ysh	pass
0	ysh-cpp	pass
1	ysh	pass
1	ysh-cpp	pass
2	ysh	pass
2	ysh-cpp	pass
3	ysh	FAIL
3	ysh-cpp	FAIL
4	ysh	pass
4	ysh-cpp	pass
5	ysh	pass
5	ysh-cpp	pass
6	ysh	pass
6	ysh-cpp	pass
7	ysh	pass
7	ysh-cpp	pass
8	ysh	pass
8	ysh-cpp	pass