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	pass
3	ysh-cpp	pass
4	ysh	FAIL
4	ysh-cpp	FAIL
5	ysh	FAIL
5	ysh-cpp	FAIL
6	ysh	FAIL
6	ysh-cpp	FAIL
7	ysh	FAIL
7	ysh-cpp	FAIL
8	ysh	FAIL
8	ysh-cpp	FAIL
9	ysh	FAIL
9	ysh-cpp	FAIL