The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+116x^75+384x^76+624x^77+843x^78+1088x^79+922x^80+1414x^81+1103x^82+1298x^83+1264x^84+1264x^85+1143x^86+1184x^87+906x^88+824x^89+621x^90+500x^91+318x^92+232x^93+122x^94+124x^95+35x^96+26x^97+6x^98+6x^99+10x^100+4x^103+2x^106

The gray image is a code over GF(2) with n=336, k=14 and d=150.
This code was found by Heurico 1.16 in 12.3 seconds.