The generator matrix

 1  0  1  1  1  0  1  1  0  1  1  2  1  1  0  1  0  1  1  0  1  1  0  1  0  1  1  1  1  2  1  0  2  1  1  2  1  1  1  1  0  1  1  0  1  0  1  1  1  2  1  1  1  1  1  1  0  0  1  1  1  1  1  0  0  2  1  1  1  1  1  0  2  1  0  2  0  0  0  1  1  2  1  1  2  1  0  1  0  1
 0  1  1  0  1  1  0  1  1  0  3  1  2  3  1  0  1  3  2  1  3  1  1  0  1  0  3  0  1  1  0  1  1  3  0  1  3  1  2  1  1  0  3  1  0  1  3  1  0  1  2  3  3  0  3  1  1  1  0  0  2  1  2  1  1  1  2  3  3  1  0  1  1  2  1  1  1  1  1  2  3  1  1  0  1  3  1  0  1  0
 0  0  2  0  0  0  0  0  0  0  2  0  0  0  0  0  2  2  0  2  2  0  0  0  2  0  2  0  2  2  2  0  2  0  2  0  2  0  2  2  0  2  2  2  0  2  0  0  2  2  0  0  2  2  0  2  0  0  0  2  2  2  2  2  2  0  2  2  0  2  2  2  2  2  0  0  2  0  0  0  2  2  0  0  0  0  0  2  0  0
 0  0  0  2  0  0  0  0  0  0  0  0  2  0  0  0  0  2  2  2  0  2  2  2  0  2  0  2  2  0  2  0  2  0  0  2  0  2  0  2  0  2  2  0  0  2  0  2  0  2  2  0  2  2  0  2  2  2  0  0  2  0  2  0  2  2  0  2  0  0  2  2  0  0  2  2  2  0  2  2  2  0  2  2  2  2  0  0  0  0
 0  0  0  0  2  0  0  0  0  0  2  0  0  0  2  0  2  2  0  0  0  2  2  2  2  2  2  0  2  0  2  0  0  2  2  0  0  2  2  0  0  2  0  0  2  0  2  2  0  0  2  2  2  0  2  2  2  0  0  0  0  0  0  0  2  0  2  2  2  0  0  2  2  0  0  0  2  2  2  2  0  2  2  0  2  2  2  0  0  0
 0  0  0  0  0  2  0  0  0  0  0  2  0  0  0  0  0  0  0  0  0  0  2  0  0  2  2  2  2  2  2  2  2  0  2  2  2  2  0  0  2  2  2  0  2  0  2  0  2  2  0  2  2  2  2  2  2  0  0  0  0  2  2  2  0  2  2  2  2  2  2  0  2  2  2  0  2  0  2  2  2  2  0  2  2  2  2  2  0  0
 0  0  0  0  0  0  2  0  0  0  0  0  0  2  0  0  2  0  2  0  0  2  2  0  2  2  2  0  0  2  0  2  2  0  0  2  0  0  2  2  2  2  0  2  2  2  0  2  2  0  2  2  2  2  2  0  2  0  0  0  2  0  0  2  2  2  2  2  0  0  0  0  0  2  0  2  2  0  2  0  2  0  0  0  0  2  0  0  0  0
 0  0  0  0  0  0  0  2  0  0  2  0  0  0  2  2  2  0  2  0  2  2  2  0  0  0  0  2  2  2  0  0  0  2  2  0  0  0  2  2  2  0  0  0  2  0  2  0  2  2  0  0  0  0  0  2  2  0  0  2  0  0  2  2  0  2  2  2  2  2  2  2  0  2  0  0  0  2  0  2  0  2  0  0  0  2  0  0  0  0
 0  0  0  0  0  0  0  0  2  0  0  2  0  2  2  0  2  2  0  2  2  2  2  0  0  0  2  0  0  2  2  0  0  0  2  2  0  0  2  0  0  0  2  2  2  0  2  0  2  0  2  0  0  0  0  2  0  2  2  2  0  2  0  0  2  2  2  0  2  0  2  0  2  0  2  0  2  2  2  2  2  2  0  2  0  2  2  2  0  0
 0  0  0  0  0  0  0  0  0  2  0  0  2  2  2  2  0  0  2  2  2  0  2  2  0  2  2  2  2  2  2  2  0  2  2  0  2  0  0  2  2  2  2  0  0  2  0  0  2  0  2  0  0  2  2  0  0  2  2  0  2  0  2  0  0  2  0  0  2  2  2  0  2  0  2  2  0  0  2  2  0  0  0  0  0  2  2  0  0  2

generates a code of length 90 over Z4 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+42x^76+10x^77+57x^78+68x^79+129x^80+100x^81+165x^82+180x^83+166x^84+184x^85+202x^86+234x^87+198x^88+248x^89+229x^90+248x^91+185x^92+234x^93+176x^94+184x^95+143x^96+180x^97+118x^98+100x^99+90x^100+68x^101+38x^102+10x^103+30x^104+26x^106+24x^108+7x^110+11x^112+5x^114+4x^116+1x^122+1x^124

The gray image is a code over GF(2) with n=180, k=12 and d=76.
This code was found by Heurico 1.16 in 4.88 seconds.