or download this
100 Lines, 30 Questions
Benchmark: timing 5000 iterations of test_archon, test_jcwren, test_lu
+cs, test_lucsjcwren, test_lucsjcwren2...
...
test_lucs: 66 wallclock secs (63.03 usr + 0.05 sys = 63.09 CPU)
test_lucsjcwren: 61 wallclock secs (58.53 usr + 0.05 sys = 58.58 CPU)
test_lucsjcwren2: 57 wallclock secs (54.80 usr + 0.05 sys = 54.85 CPU
+)