: :
(1) What is the symbol of shells [2, 8, 8, 1]?
(2) What is the symbol of shells [2, 8, 1]?
(3) What is the symbol of shells [2, 4]?
(4) What is the symbol of shells [2]?
(5) What is the symbol of shells [1]?
(6) What is the symbol of shells [2, 6]?
(7) What is the symbol of shells [2, 8, 6]?
(8) What is the symbol of shells [2, 5]?
(9) What is the symbol of shells [2, 8, 7]?
(10) What is the symbol of shells [2, 8, 2]?