The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+168x^75+67x^76+290x^77+103x^78+250x^79+100x^80+200x^81+75x^82+234x^83+95x^84+220x^85+45x^86+96x^87+22x^88+46x^89+1x^90+18x^91+1x^92+6x^93+2x^95+6x^97+1x^108+1x^120

The gray image is a code over GF(2) with n=324, k=11 and d=150.
This code was found by Heurico 1.16 in 0.783 seconds.