C:\test\C>bitstrstr "DeBruijn(2^31).bin" 1048576 1 250000000
v:00000000008E0040 fsize:0000000010000004 vsize:2000000
bitstrstr1:            0 :           -1 took:1.030802e+001 secs
bitstrstr1:    250000000 :    250000000 took:1.274025e+000 secs
bitstrstr1:    500000000 :    500000000 took:2.420335e+000 secs
bitstrstr1:    750000000 :    750000000 took:3.604043e+000 secs
bitstrstr1:   1000000000 :   1000000000 took:4.826112e+000 secs
bitstrstr1:   1250000000 :   1250000000 took:6.205683e+000 secs
bitstrstr1:   1500000000 :   1500000000 took:7.483219e+000 secs
bitstrstr1:   1750000000 :   1750000000 took:8.526418e+000 secs
bitstrstr1:   2000000000 :   2000000000 took:9.723123e+000 secs
bitstrstr3:            0 :           -1 took:1.019202e-001 secs
bitstrstr3:    250000000 :    250000000 took:3.729577e-002 secs
bitstrstr3:    500000000 :    500000000 took:3.556026e-002 secs
bitstrstr3:    750000000 :    750000000 took:1.154790e-002 secs
bitstrstr3:   1000000000 :   1000000000 took:1.110663e-002 secs
bitstrstr3:   1250000000 :   1250000000 took:1.219347e-002 secs
bitstrstr3:   1500000000 :   1500000000 took:1.436291e-002 secs
bitstrstr3:   1750000000 :   1750000000 took:2.335553e-002 secs
bitstrstr3:   2000000000 :   2000000000 took:2.807604e-002 secs
bitstrstr4:            0 :           -1 took:8.661798e-003 secs
bitstrstr4:    250000000 :    250000000 took:4.236888e-003 secs
bitstrstr4:    500000000 :    500000000 took:4.733442e-003 secs
bitstrstr4:    750000000 :    750000000 took:4.514161e-003 secs
bitstrstr4:   1000000000 :   1000000000 took:4.211377e-003 secs
bitstrstr4:   1250000000 :   1250000000 took:4.328529e-003 secs
bitstrstr4:   1500000000 :   1500000000 took:4.249651e-003 secs
bitstrstr4:   1750000000 :   1750000000 took:4.525668e-003 secs
bitstrstr4:   2000000000 :   2000000000 took:4.428185e-003 secs
bitstrstr5:            0 :           -1 took:2.952949e-002 secs
bitstrstr5:    250000000 :    250000000 took:1.516276e-002 secs
bitstrstr5:    500000000 :    500000000 took:7.000594e-003 secs
bitstrstr5:    750000000 :    750000000 took:6.885374e-003 secs
bitstrstr5:   1000000000 :   1000000000 took:6.434349e-003 secs
bitstrstr5:   1250000000 :   1250000000 took:6.177053e-003 secs
bitstrstr5:   1500000000 :   1500000000 took:6.085954e-003 secs
bitstrstr5:   1750000000 :   1750000000 took:8.395146e-003 secs
bitstrstr5:   2000000000 :   2000000000 took:7.613071e-003 secs