[c, b, a]
[a, b, c]
[x, y, z, a, b, c]
[z, y, x, a, b, c]
0.82user 0.01system 0:00.83elapsed 99%CPU (0avgtext+0avgdata 34956maxresident)k
0inputs+0outputs (0major+3900minor)pagefaults 0swaps