16 _ _ _40 100(32)1(9)(1)_(2)_(3)_2(16)(1)_ _ _(2)_3()(3)ABC4_(4)()()()1(5)2_(5)3_(5)4()()(6)1(6)()()()2_(6)3(3)4_(6)_1(6)2(5)_3(10)(1)_(2)_4()(5)ABC1.(1)(2)(3)2(1)(2)3C41.2341.2341.23(1)(2)4C