The generator matrix

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

generates a code of length 49 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+75x^34+12x^35+234x^36+32x^37+480x^38+144x^39+947x^40+496x^41+1958x^42+1132x^43+3456x^44+2644x^45+5523x^46+4840x^47+7934x^48+6016x^49+7422x^50+4772x^51+5894x^52+2632x^53+3358x^54+1216x^55+1999x^56+432x^57+926x^58+164x^59+436x^60+36x^61+191x^62+8x^63+87x^64+27x^66+4x^68+8x^70

The gray image is a code over GF(2) with n=196, k=16 and d=68.
This code was found by Heurico 1.16 in 98.9 seconds.