The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  0  2  0  2  0  2  2  2  2  2  2  4  2  2  4  2  4  2  4  4  4  4  0  4  4  4  0  1  4  1  1  1  1  1  1  1  1  1  1  1  1
 0  2  0  6  0  6  0  2  0  6  0  2  0  6  0  2  4  6  4  2  4  6  4  2  4  6  4  2  4  6  4  2  6  2  6  2  6  2  6  2  0  0  0  4  4  2  2  4  2  2  2  2  2  2  0  0  0  0  4  4  4  4  0  4  6  0  6  0  6  4  2  0  6  4  0  0
 0  0  4  0  0  0  4  0  0  4  0  4  4  4  4  4  4  0  4  0  4  0  4  0  0  4  0  4  0  4  0  4  0  0  0  0  4  4  4  4  0  4  4  4  4  4  4  0  4  4  0  0  0  0  0  0  4  4  4  4  0  0  0  4  0  4  4  0  0  0  0  0  4  0  0  4
 0  0  0  4  0  0  0  4  4  4  4  4  4  0  4  0  0  0  0  0  4  4  4  4  4  4  4  4  0  0  0  0  0  0  4  4  4  4  0  0  4  4  0  0  4  0  0  4  4  4  4  4  0  0  0  4  4  0  0  4  4  0  0  0  0  0  0  0  4  0  4  4  0  4  4  4
 0  0  0  0  4  4  4  4  4  0  0  4  0  4  4  0  0  0  4  4  4  4  0  0  0  4  4  0  4  0  0  4  0  4  4  0  0  4  4  0  4  0  4  4  0  4  0  4  0  4  4  0  0  4  4  0  4  0  0  4  0  4  0  4  0  4  4  4  4  4  4  4  0  4  0  4

generates a code of length 76 over Z8 who´s minimum homogenous weight is 73.

Homogenous weight enumerator: w(x)=1x^0+50x^73+17x^74+96x^75+22x^76+8x^77+8x^78+7x^80+36x^81+6x^82+2x^84+1x^90+2x^105

The gray image is a code over GF(2) with n=304, k=8 and d=146.
This code was found by Heurico 1.16 in 0.898 seconds.