The generator matrix

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

generates a code of length 74 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+234x^66+96x^67+508x^68+300x^69+702x^70+508x^71+835x^72+632x^73+808x^74+632x^75+745x^76+508x^77+576x^78+300x^79+369x^80+96x^81+158x^82+99x^84+36x^86+26x^88+12x^90+6x^92+2x^94+1x^96+2x^100

The gray image is a code over GF(2) with n=296, k=13 and d=132.
This code was found by Heurico 1.16 in 16.2 seconds.