The generator matrix 1 0 1 1 1 1 1 1 1 0 1 1 0 0 2 1 1 1 0 1 1 a 3a+3 0 2a+3 a a+1 1 2a+3 a+1 1 1 1 a 0 0 0 0 2a+2 0 0 2 0 2a 2a 2a+2 2a+2 2a 2a 0 2 0 2 0 0 0 0 2 0 2a+2 2a 2a+2 0 2a+2 2a+2 2a+2 2a 2a+2 2a 2a+2 2a+2 0 0 0 0 0 2a+2 2 2 2a+2 2a 2a 2 0 2a 2a+2 2 2a+2 0 0 generates a code of length 18 over GR(16,4) who´s minimum homogenous weight is 40. Homogenous weight enumerator: w(x)=1x^0+51x^40+48x^42+60x^43+129x^44+144x^45+288x^46+240x^47+153x^48+1296x^49+576x^50+840x^51+165x^52+3888x^53+864x^54+1200x^55+195x^56+3888x^57+1296x^58+732x^59+147x^60+138x^64+39x^68+6x^72 The gray image is a code over GF(4) with n=72, k=7 and d=40. This code was found by Heurico 1.16 in 0.254 seconds.