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

generates a code of length 73 over Z4 who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+22x^74+4x^76+1x^78+3x^80+1x^86

The gray image is a code over GF(2) with n=146, k=5 and d=74.
This code was found by Heurico 1.16 in 0.105 seconds.