The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  6  1  1  0  1  1  6  1  1  0  1  1  6  1  1  4  1  1  2  1  1  4  1  1  2  1  1  1  1  1  1  1  1  4  2  4  2  2  2  0  2  2  2  0  2  0  2  2  2  2  2  2  2  2  1  2  2  0  4  1  1  1  4
 0  1  3  6  5  1  0  3  1  6  5  1  0  3  1  6  5  1  0  3  1  6  5  1  4  7  1  2  1  1  4  7  1  2  1  1  4  2  4  2  7  1  7  1  1  1  1  1  0  6  2  6  6  0  2  0  2  4  4  4  0  2  2  2  6  6  2  4  1  1  3  0  5  2
 0  0  4  0  4  0  4  0  4  4  0  4  0  0  0  4  0  0  4  4  4  0  4  4  4  4  4  4  4  4  0  0  0  0  0  0  4  4  0  0  4  4  0  0  4  4  0  0  0  4  0  4  0  4  4  4  4  4  4  0  0  4  4  0  0  0  0  0  0  4  0  0  0  4
 0  0  0  4  4  4  4  0  0  0  4  4  4  4  4  4  0  0  0  4  4  0  0  0  0  0  0  4  4  4  4  4  4  0  0  0  4  0  0  4  4  0  0  4  4  0  0  4  4  4  4  0  4  4  4  0  0  0  4  4  0  0  4  4  0  0  0  0  0  0  4  0  4  0

generates a code of length 74 over Z8 who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+50x^72+64x^73+24x^74+64x^75+38x^76+8x^78+3x^80+2x^84+2x^88

The gray image is a code over GF(2) with n=296, k=8 and d=144.
This code was found by Heurico 1.16 in 0.125 seconds.