-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025
-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025
-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025
-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025
-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025
-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025
-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025
-2C
-1
0
1
2
2C
1
0
−1
−2
1850
1875
1900
1925
1950
1975
2000
2025