Bits already have an efficient encoding in binary. ;) Representing trits (0, 1, 2) efficiently in binary is harder. (Which is the subject of the paper. It's a

Bits already have an efficient encoding in binary. ;) Representing trits (0, 1, 2) efficiently in binary is harder. (Which is the subject of the paper. It's a great paper, and we lost a marvelous mind when Mihai died.)