The generator matrix 1 0 1 1 1 1 1 1 1 2 1 1 1 1 2a 1 1 1 1 2a+2 1 1 1 1 0 1 1 1 1 2 1 1 1 1 2a 1 1 1 1 2a+2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 2 2a 2a+2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 2 2a 2a+2 1 1 1 1 0 1 2a+3 a a+1 2 2a+1 a+2 a+3 1 2a 3 3a 3a+1 1 2a+2 1 3a+2 3a+3 1 0 2a+3 a a+1 1 2 2a+1 a+2 a+3 1 2a 3 3a 3a+1 1 2a+2 1 3a+2 3a+3 1 0 2a+3 a a+1 2 2a+1 a+2 a+3 2a 3 3a 3a+1 2a+2 1 3a+2 3a+3 1 1 1 1 0 2 2a 2a+2 2a+3 2a+1 3 1 a a+2 3a 3a+2 a+1 a+3 3a+1 3a+3 1 1 1 1 0 2 2a 2a+2 generates a code of length 84 over GR(16,4) who´s minimum homogenous weight is 252. Homogenous weight enumerator: w(x)=1x^0+240x^252+3x^256+12x^272 The gray image is a code over GF(4) with n=336, k=4 and d=252. This code was found by Heurico 1.16 in 0.094 seconds.