The generator matrix

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

generates a code of length 49 over Z4 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+61x^38+84x^39+196x^40+230x^41+328x^42+376x^43+435x^44+458x^45+499x^46+566x^47+530x^48+616x^49+556x^50+612x^51+516x^52+528x^53+403x^54+340x^55+288x^56+194x^57+184x^58+68x^59+72x^60+22x^61+13x^62+2x^63+9x^64+4x^66+1x^76

The gray image is a code over GF(2) with n=98, k=13 and d=38.
This code was found by Heurico 1.16 in 6.42 seconds.