2021N1̗\
2021N1
y
@
@
@
@
@
1
2
@
@
@
@
@
^
^
^
^
3
4
5
6
7
8
9
^
^
^
^
^
^
^
^
^
^
^
^
^
^
10
11
12
13
14
15
16
^
^
^
^
^
^
^
^
^
^
^
^
^
^
17
18
19
20
21
22
23
^
^
^
^
^
^
^
^
^
^
^
^
24
25
26
27
28
29
30
31
@
@
@
@
@
@
@
@
@
@
@
@
2021N2̗\
2021N2
y
@
1
2
3
4
5
6
@
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
@
@
@
@
@
@
@
@
@
@
@
@
2021N3̗\
2021N3
y
@
1
2
3
4
5
6
@
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
@
@
@
@
@
@
2021N4̗\
2021N4
y
@
@
@
@
1
2
3
@
@
@
@
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
@
@