The generator matrix

 1  0  0  1  1  1  6  1  1  1  1  2  4  4  1  1  4  1  2  6  1  1  1  1  6  1  2  1  6  2  0  6  1  1  2  1  1
 0  1  0  1  0  1  1  2  3  0  1  1  1  0  3  2  4  7  1  2  0  2  0  3  1  6  1  5  1  1  1  0  2  3  6  1  0
 0  0  1  1  1  0  1  3  3  0  2  6  5  1  4  6  1  5  7  1  4  3  5  0  6  5  1  0  7  4  6  1  4  0  0  0  0
 0  0  0  2  0  0  0  0  0  0  2  2  6  6  4  6  6  2  4  4  2  6  4  4  4  0  2  6  0  0  2  0  6  2  6  4  0
 0  0  0  0  2  0  0  0  0  2  0  2  2  6  2  4  4  6  2  2  2  2  0  4  6  0  6  0  2  4  4  2  4  6  0  0  0
 0  0  0  0  0  2  6  6  4  2  2  6  0  2  0  4  4  2  0  6  2  0  2  6  2  4  2  2  2  4  2  4  6  0  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+61x^28+190x^29+417x^30+728x^31+1117x^32+1828x^33+2685x^34+3350x^35+3902x^36+4060x^37+3933x^38+3604x^39+2706x^40+1768x^41+1105x^42+664x^43+353x^44+150x^45+81x^46+36x^47+20x^48+4x^49+2x^50+2x^51+1x^62

The gray image is a code over GF(2) with n=148, k=15 and d=56.
This code was found by Heurico 1.16 in 16.8 seconds.