The generator matrix

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

generates a code of length 37 over Z4 who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+166x^26+888x^28+1852x^30+2986x^32+4483x^34+5812x^36+5961x^38+4890x^40+3209x^42+1584x^44+638x^46+211x^48+69x^50+12x^52+5x^54+1x^58

The gray image is a code over GF(2) with n=74, k=15 and d=26.
This code was found by Heurico 1.16 in 81.2 seconds.