The generator matrix

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

generates a code of length 93 over Z4 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+28x^76+122x^77+216x^78+274x^79+365x^80+458x^81+625x^82+814x^83+1015x^84+1088x^85+1209x^86+1296x^87+1362x^88+1546x^89+1617x^90+1636x^91+1755x^92+1726x^93+1793x^94+1812x^95+1562x^96+1654x^97+1542x^98+1372x^99+1161x^100+1030x^101+897x^102+712x^103+576x^104+432x^105+317x^106+236x^107+205x^108+112x^109+88x^110+34x^111+30x^112+20x^113+11x^114+6x^115+4x^116+2x^117+4x^118+2x^121+1x^126

The gray image is a code over GF(2) with n=186, k=15 and d=76.
This code was found by Heurico 1.10 in 171 seconds.