The generator matrix

 1  0  1  1  1  0  1  1  0  1  1  0  1  1  2  1  6  1  2  1  1  1  6  1  1  1  1  4  1  4  1  2  1  1  2  1  2  1  1  6  4  2  4  1  1  6  2  0  1
 0  1  1  0  3  1  0  3  1  4  1  1  6  7  1  6  1  7  1  3  2  1  1  0  2  5  6  1  3  1  2  0  1  5  1  4  1  3  1  1  4  4  2  4  7  1  1  0  0
 0  0  2  0  2  0  2  0  6  2  0  2  4  0  6  2  0  2  4  0  2  0  6  6  0  2  4  6  4  6  6  6  4  0  0  4  4  2  4  4  0  6  4  6  2  2  2  2  0
 0  0  0  2  2  6  2  0  0  0  6  2  4  6  0  6  4  4  6  0  0  6  2  2  2  6  0  0  4  0  0  4  2  4  2  2  2  2  4  2  2  6  2  4  2  6  2  0  0
 0  0  0  0  4  0  0  0  0  4  4  0  4  4  0  4  0  4  0  0  4  0  4  4  0  0  4  4  4  0  0  0  4  4  4  0  0  0  0  0  0  4  4  4  4  0  0  4  0
 0  0  0  0  0  4  0  0  0  0  0  4  0  0  4  0  4  4  0  4  4  4  0  0  0  4  4  0  0  0  4  0  4  0  4  4  0  4  0  4  4  4  0  0  4  4  0  0  0
 0  0  0  0  0  0  4  0  0  0  4  4  0  0  4  0  4  4  0  4  0  0  4  4  0  0  4  4  4  4  0  4  0  0  4  0  4  0  4  4  4  4  0  0  4  4  0  0  4
 0  0  0  0  0  0  0  4  0  4  0  0  0  4  0  4  0  0  4  4  0  0  4  0  4  0  4  0  4  0  0  4  4  0  4  0  4  4  0  0  4  0  4  4  0  4  4  4  4
 0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  4  4  4  4  4  4  0  0  4  4  4  0  4  0  4  0  4  4  0  0  0  4  0  4  4  4  4  0  0  0  4  0

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

Homogenous weight enumerator: w(x)=1x^0+42x^38+74x^39+243x^40+372x^41+593x^42+928x^43+1294x^44+1798x^45+2473x^46+3140x^47+3514x^48+3740x^49+3567x^50+3148x^51+2542x^52+1920x^53+1321x^54+814x^55+516x^56+336x^57+175x^58+84x^59+66x^60+26x^61+19x^62+4x^63+13x^64+1x^66+2x^68+1x^70+1x^72

The gray image is a code over GF(2) with n=196, k=15 and d=76.
This code was found by Heurico 1.16 in 29.4 seconds.