The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+86x^28+302x^29+838x^30+1436x^31+2373x^32+3856x^33+4981x^34+6448x^35+8099x^36+8414x^37+7844x^38+7072x^39+5517x^40+3570x^41+2220x^42+1296x^43+639x^44+300x^45+138x^46+68x^47+21x^48+6x^49+11x^50

The gray image is a code over GF(2) with n=148, k=16 and d=56.
This code was found by Heurico 1.16 in 58.9 seconds.