This game is played by two or four persons, with twenty-eight pieces
of oblong ivory, plain at the back, but on the face divided by a black
line in the middle, and indented with spots, from one to a double-six,
which pieces are a double-blank, ace-black, double-ace, deuce-blank,
deuce-ace, double-deuce, trois-blank, trois-ace, trois-deuce,
double-trois, four-blank, four-ace, four-deuce, four-trois,
double-four, five-blank, five-ace, five-deuce, five-trois, five-four,
double-five, six-blank, six-ace, six-deuce, six-trois, six-four,
six-five, and double-six. Sometimes a double set is played with, of
which double-nine is the highest.