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  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  1  1  1  1  1  1  1  1  1  1  1  2  1  1  2  1  1  1  1  2  1  2  1  1
 0  2  0  0  0  0  0  0  0  0  0  0  0  2  2  2  0  0  0  2  0  2  2  2  0  0  2  2  0  2  2  2  0  2  0  2  0  0  2  0  0  2  0  2  2  0  2  0  2  2  0  0  2  2  0  2  2  2  2  0  0  0  0  2  0  2  2  2  2  2  2  2  0  2  0  2  0  0  0  0  0  2  2  0  0  0  0  2  0  2  0  0
 0  0  2  0  0  0  0  0  0  0  0  0  2  2  2  0  0  0  2  2  2  2  0  0  0  2  2  0  2  0  2  2  2  0  0  2  0  2  2  2  0  0  0  2  0  2  2  2  2  0  2  2  2  0  0  0  0  0  0  0  2  0  2  0  0  2  2  0  2  2  2  2  0  0  0  0  2  2  0  2  2  2  0  0  2  0  2  2  0  0  0  0
 0  0  0  2  0  0  0  0  0  0  0  0  2  0  2  2  0  2  2  0  0  2  0  2  2  2  0  0  0  2  0  2  2  0  2  2  0  0  0  2  2  2  2  0  0  0  2  0  2  0  2  0  0  2  2  2  0  0  2  0  0  2  0  2  2  0  0  2  2  2  2  0  0  0  0  2  2  2  0  0  2  2  2  2  2  2  0  2  2  0  0  0
 0  0  0  0  2  0  0  0  0  0  0  0  2  2  0  2  2  0  2  2  0  0  0  2  2  0  0  2  2  0  0  2  2  0  0  0  2  2  2  0  2  0  2  0  2  2  2  2  2  2  0  0  0  2  0  0  2  2  0  2  0  2  0  2  2  0  2  2  0  2  2  0  2  2  2  0  2  2  2  0  2  0  0  0  0  2  2  2  0  2  0  0
 0  0  0  0  0  2  0  0  0  2  2  2  0  0  0  0  2  2  2  2  0  0  0  2  0  0  0  0  2  2  2  2  0  0  2  2  0  0  2  2  0  0  2  0  0  2  2  2  0  0  2  2  0  2  0  0  0  2  2  0  0  2  2  0  0  2  0  2  2  0  0  0  2  2  2  0  2  2  0  2  0  0  0  2  2  0  2  0  0  0  2  2
 0  0  0  0  0  0  2  0  2  2  2  0  0  0  0  0  0  0  2  2  2  0  2  0  0  0  2  2  0  2  2  0  2  2  2  2  0  2  0  0  2  0  0  0  2  2  2  0  0  0  2  2  2  0  0  2  0  2  0  2  0  0  0  2  0  2  0  2  0  2  2  0  2  2  0  0  0  2  2  0  2  2  0  2  0  2  2  0  2  0  0  0
 0  0  0  0  0  0  0  2  2  0  2  2  0  0  0  0  0  2  2  0  0  2  2  0  0  2  2  0  2  2  0  0  2  0  2  0  2  2  2  2  0  0  0  2  2  0  2  0  2  2  2  2  0  2  2  2  0  0  2  2  2  2  2  2  2  2  2  2  0  0  2  0  2  2  2  2  0  0  0  2  0  2  0  0  0  2  2  2  2  2  2  2

generates a code of length 92 over Z4 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+51x^84+76x^88+64x^90+140x^92+64x^94+68x^96+31x^100+14x^104+2x^108+1x^176

The gray image is a code over GF(2) with n=184, k=9 and d=84.
This code was found by Heurico 1.16 in 0.249 seconds.