The generator matrix

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

generates a code of length 91 over Z4 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+64x^80+144x^81+160x^82+198x^83+216x^84+192x^85+210x^86+228x^87+200x^88+228x^89+223x^90+200x^91+205x^92+208x^93+208x^94+200x^95+164x^96+118x^97+152x^98+106x^99+89x^100+88x^101+58x^102+76x^103+43x^104+28x^105+33x^106+16x^107+10x^108+16x^109+8x^110+2x^113+4x^114

The gray image is a code over GF(2) with n=182, k=12 and d=80.
This code was found by Heurico 1.10 in 1.2 seconds.