The generator matrix

 1  0  0  1  1  1  0  1  1  1  1  0  2  0  1  2  1  1  2  0  1  1  0  1  0  1  0  1  1  1  2  1  0  2  0  0  1  1  1  2  1  1  1  0  1  1  1  1  1  1  0  1  2  1  1  0  2  1  1  2  2  2  1  2  1  0  1  1  0  0  1  1  1
 0  1  0  1  0  1  1  0  0  1  1  1  1  2  3  1  0  2  1  0  1  1  2  3  1  2  0  3  0  2  1  3  1  1  1  1  1  0  2  0  2  3  1  1  0  3  0  0  3  3  1  3  1  0  0  1  1  0  2  2  1  2  3  1  0  1  3  3  0  1  0  3  0
 0  0  1  1  1  0  1  0  1  1  0  2  3  1  0  2  0  1  3  1  1  3  1  0  0  1  1  0  0  3  1  1  2  1  1  2  2  2  3  1  3  0  0  1  0  2  2  1  3  0  2  1  2  2  2  2  1  1  1  1  3  1  2  0  2  0  1  1  1  3  0  0  0
 0  0  0  2  0  0  0  0  0  0  0  2  2  0  2  2  2  0  2  2  0  2  2  2  0  0  0  0  0  2  0  2  0  2  0  2  0  0  2  0  2  2  2  2  0  0  0  2  0  0  2  0  0  0  2  0  0  2  2  2  0  0  0  0  0  0  2  2  2  0  0  0  0
 0  0  0  0  2  0  0  0  0  0  0  0  0  2  0  2  2  0  2  0  0  2  0  2  2  0  0  2  0  0  2  2  0  0  2  0  2  0  0  2  0  2  2  0  0  0  2  2  0  2  2  0  0  0  2  0  2  2  0  2  2  2  2  0  2  2  2  2  0  0  0  0  0
 0  0  0  0  0  2  0  0  0  0  0  0  0  0  2  0  0  0  0  0  0  0  0  2  2  2  2  2  2  2  2  0  2  0  2  0  2  2  2  0  2  0  2  2  0  0  2  2  2  2  0  2  0  2  0  2  0  2  0  2  0  0  0  0  2  0  0  2  2  2  2  2  0
 0  0  0  0  0  0  2  0  0  0  0  0  2  0  0  0  0  0  2  0  2  2  2  2  2  2  0  0  2  2  2  0  0  2  2  0  0  2  0  2  2  0  2  0  2  2  2  2  0  0  0  2  2  0  0  0  0  0  0  2  2  0  2  0  0  2  2  2  0  2  0  2  2
 0  0  0  0  0  0  0  2  0  0  0  0  0  0  0  0  0  2  2  2  0  0  2  2  0  0  2  0  2  2  2  2  2  0  2  0  0  0  0  0  2  2  2  0  0  2  2  2  0  2  2  0  2  2  2  0  2  0  2  2  0  2  2  2  0  2  0  0  0  2  2  2  2
 0  0  0  0  0  0  0  0  2  0  0  0  0  2  0  2  2  2  2  0  2  0  2  0  2  2  2  2  0  2  2  0  0  2  2  2  0  2  2  2  0  2  0  0  2  0  0  0  0  2  0  0  0  0  2  2  0  0  0  2  2  0  2  2  0  2  0  0  0  2  2  2  2
 0  0  0  0  0  0  0  0  0  2  0  2  2  0  2  2  2  0  2  2  2  0  2  2  2  0  2  2  2  0  2  0  2  0  0  2  0  0  0  2  0  0  2  0  0  2  2  2  0  0  0  2  0  0  2  2  2  2  0  0  0  2  0  0  0  2  2  0  2  0  2  2  0
 0  0  0  0  0  0  0  0  0  0  2  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  0  2  2  0  2  2  2  0  2  2  0  2  0  0  2

generates a code of length 73 over Z4 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+56x^58+24x^59+171x^60+144x^61+289x^62+278x^63+411x^64+466x^65+570x^66+628x^67+730x^68+914x^69+888x^70+1118x^71+1024x^72+1044x^73+1004x^74+1088x^75+861x^76+932x^77+720x^78+706x^79+570x^80+458x^81+402x^82+212x^83+237x^84+122x^85+108x^86+42x^87+68x^88+16x^89+48x^90+16x^92+11x^94+6x^96+1x^100

The gray image is a code over GF(2) with n=146, k=14 and d=58.
This code was found by Heurico 1.16 in 53 seconds.