Benchmark: timing 1 iterations of inside, outside...
    inside: 12 wallclock secs (10.95 usr +  0.00 sys = 10.95 CPU) @  0.09/s (n=1)
   outside: 10 wallclock secs ( 9.49 usr +  0.02 sys =  9.51 CPU) @  0.11/s (n=1)