The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+59x^26+86x^27+251x^28+348x^29+610x^30+936x^31+1406x^32+1852x^33+2417x^34+3084x^35+3341x^36+3724x^37+3598x^38+3116x^39+2495x^40+1948x^41+1269x^42+890x^43+629x^44+296x^45+222x^46+76x^47+65x^48+24x^49+15x^50+4x^51+3x^52+2x^54+1x^56

The gray image is a code over GF(2) with n=148, k=15 and d=52.
This code was found by Heurico 1.16 in 25.1 seconds.