length n = 62
dimension k = 4
alphabet length q = 8

minimum distance d = 53

generator matrix:
11111111001111111001111111001111111001111111111111111111111111
01234567112255677112255677110033677110033677002233556002233556
10325476250102525250102525364707014364707014254745172254745172
73515173212514512424123124312532113743273447347467535572712454

by truncation of 63