The generator matrix

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

generates a code of length 49 over Z8 who´s minimum homogenous weight is 37.

Homogenous weight enumerator: w(x)=1x^0+54x^37+124x^38+218x^39+371x^40+492x^41+684x^42+932x^43+1325x^44+1830x^45+2369x^46+2926x^47+3279x^48+3438x^49+3319x^50+2924x^51+2465x^52+1902x^53+1385x^54+986x^55+617x^56+420x^57+266x^58+192x^59+111x^60+54x^61+40x^62+14x^63+20x^64+2x^65+3x^66+3x^68+1x^70+1x^78

The gray image is a code over GF(2) with n=196, k=15 and d=74.
This code was found by Heurico 1.16 in 40.8 seconds.