or download this
c:\test>708290-b -T=300
Testing buk with 10 random values in the range 0 .. 10000 Differ
+ence:= 26; took 0.002259 seconds
...
Testing buk with 1000000 random values in the range 0 .. 10000 Diff
+erence:= 0; took 10.578125 seconds
Testing tilly with 1000000 random values in the range 0 .. 10000 Diff
+erence:= 0; took 21.593750 seconds