The generator matrix

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

generates a code of length 61 over Z4 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+73x^48+86x^49+229x^50+314x^51+445x^52+554x^53+575x^54+682x^55+765x^56+854x^57+933x^58+1000x^59+1067x^60+1070x^61+1080x^62+1112x^63+943x^64+968x^65+832x^66+750x^67+569x^68+450x^69+351x^70+206x^71+199x^72+106x^73+83x^74+32x^75+31x^76+6x^77+9x^78+3x^80+2x^81+3x^82+1x^94

The gray image is a code over GF(2) with n=122, k=14 and d=48.
This code was found by Heurico 1.16 in 62.8 seconds.