The generator matrix

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

generates a code of length 49 over Z4 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+193x^40+252x^42+524x^44+518x^46+599x^48+548x^50+590x^52+376x^54+299x^56+96x^58+84x^60+2x^62+12x^64+2x^68

The gray image is a code over GF(2) with n=98, k=12 and d=40.
This code was found by Heurico 1.16 in 1.9 seconds.