The generator matrix

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

generates a code of length 37 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+40x^24+20x^25+119x^26+84x^27+218x^28+282x^29+483x^30+666x^31+1090x^32+1610x^33+2399x^34+3350x^35+3842x^36+4328x^37+3827x^38+3348x^39+2425x^40+1688x^41+1101x^42+656x^43+470x^44+250x^45+225x^46+82x^47+89x^48+10x^49+29x^50+6x^51+14x^52+4x^53+9x^54+3x^56

The gray image is a code over GF(2) with n=148, k=15 and d=48.
This code was found by Heurico 1.16 in 21.8 seconds.