real	0m19.180s
user	0m0.004s
sys	0m0.152s

real	0m20.654s
user	0m0.004s
sys	0m0.200s

real	0m24.772s
user	0m0.000s
sys	0m0.032s

real	0m18.101s
user	0m0.012s
sys	0m0.120s

real	0m16.911s
user	0m0.000s
sys	0m0.136s

real	0m17.062s
user	0m0.004s
sys	0m0.128s

real	0m16.817s
user	0m0.012s
sys	0m0.128s

real	0m18.604s
user	0m0.004s
sys	0m0.028s

real	0m22.270s
user	0m0.004s
sys	0m0.016s

real	0m17.545s
user	0m0.012s
sys	0m0.108s