K8: -2029/3 (~=-676.333)
K16: -3725/4 (=-931.25)
K32: -957
K64: -5909/6 (~=-984.833)
K128: -7933/8 (=-991.625)
K256: -2992/3 (~=-997.333)
K512: -5991/6 (=-998.5)
K1024: -3999/4 (=-999.75)
K2048: -29999/30 (~=-999.967)
K4096: -1000
K8192: -1000
