I just mining with CPU,2 computers...2 intel pentium 2 core 2200mh and 1600mh,in 17 hours (44m ago   15.60228058   bb75c79a1349df394f5195cd06c8eb972b5f...
2h ago   16.07627288   4b0da1708dc27990c88a529172512a48223b...
4h ago   28.79432192   4bc911ad1552fd6c7f3afeeb7ca6785b1370...
6h ago   27.57707041   9b052b65f5ca8719cba7ff14ef9074deb0a8...
8h ago   16.87620319   a28e360944407114e9170bc954735a37f9c4...
10h ago   23.05906609   e8aac4675465bee8540f65b19c24a2a4a74c...
12h ago   15.61416875   542cba575675beaf89dc1fe9cafa9061cba2...
Total:   143.59938382)

Miners: TuLkrHMm8TgcXZmnNG76qtgBAnaJnmJmBF
Summary   Miners   Shares   Hashrate*   Reject*
x16r   2   0.0056%   42.9 kh/s   

Details   Extra   Algo   Diff   ES**   Hashrate*   Reject*
cpuminer-opt/3.9.6.1   c=TNA   x16r   0.125      28.6 kh/s   
cpuminer-opt/3.9.6.1   c=TNA   x16r   0.25      14.3 kh/s   

happy minning¡¡¡¡¡.........thanks for developers.