(1)
1
0
(2)
0
0
(3)
0
0
(4)
0
0
(5)
0
0
(6)
1
0
(7)
0
1
(8)
0
0
(9)
0
0
(10)
0
0
(11)
0
1
(12)
0
0
(13)
0
0
(14)
0
0
(15)
0
0
(16)
1
0
(17)
0
0
(18)
0
0
(19)
0
1
(20)
0
0
(21)
1
0