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  2  2  2  4  0  4  0  4  0  2  1  4  1  0  1  1  1  2  2  1  1  1  2  1  2  1
 0  2  0  0  0  2  6  2  0  4  0  2  0  0  2  6  4  2  0  0  2  2  6  4  0  6  2  4  2  2  2  2  2  2  2  2  0  2  6  4  6  4  2  6  0  6  0  2  0
 0  0  2  0  2  2  6  0  0  0  2  4  0  6  6  2  4  0  2  6  4  6  2  6  6  6  4  4  2  2  4  2  6  6  2  6  0  2  4  4  0  2  0  6  4  0  2  0  0
 0  0  0  2  2  0  6  2  0  2  2  2  4  4  4  6  2  4  2  4  0  6  4  6  4  6  2  2  0  6  6  6  4  2  4  0  2  6  2  2  4  0  0  0  4  4  0  2  0
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  4  4  4  4  4  0  4  4  0  0  0  0  0  0  4  4  4  4  4  0  4  4  0  4  0  4  0  4  0  4  4  4  4  4  0
 0  0  0  0  0  4  0  0  0  0  4  4  4  0  0  0  0  0  0  0  4  0  4  4  0  4  0  4  4  4  0  0  0  4  4  4  0  4  0  4  0  4  4  4  4  0  4  4  0
 0  0  0  0  0  0  4  0  0  4  4  4  0  0  4  0  0  0  4  4  0  4  4  0  0  4  0  4  0  4  4  0  4  0  4  0  4  0  0  4  0  4  0  4  4  4  0  4  0
 0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  0  4  0  0  0  4  4  0  4  4  4  4  0  0  4  4  0  0  4  4  4  0  0
 0  0  0  0  0  0  0  0  4  0  0  0  0  4  4  0  4  4  4  4  0  0  0  4  4  4  4  0  4  4  0  4  0  4  0  0  0  0  0  0  4  4  4  0  4  4  0  0  4

generates a code of length 49 over Z8 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+68x^38+76x^39+211x^40+252x^41+376x^42+448x^43+659x^44+1034x^45+1116x^46+1430x^47+1645x^48+1678x^49+1676x^50+1540x^51+1190x^52+928x^53+644x^54+508x^55+317x^56+196x^57+184x^58+92x^59+69x^60+6x^61+28x^62+2x^63+2x^64+2x^65+4x^66+1x^68+1x^84

The gray image is a code over GF(2) with n=196, k=14 and d=76.
This code was found by Heurico 1.16 in 11.1 seconds.