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

generates a code of length 84 over Z8 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+58x^75+113x^76+164x^77+210x^78+220x^79+215x^80+268x^81+373x^82+336x^83+380x^84+392x^85+287x^86+256x^87+168x^88+128x^89+120x^90+94x^91+83x^92+56x^93+47x^94+44x^95+18x^96+12x^97+17x^98+16x^99+12x^100+4x^101+2x^104+1x^106+1x^130

The gray image is a code over GF(2) with n=336, k=12 and d=150.
This code was found by Heurico 1.16 in 47.4 seconds.