Sym454
-8000
-7000
-6000
-5000
-4000
-3000
-2000
-1000
0
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1840
1850
1860
1870
1880
1890
1900
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
2020
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2070
2080
2090
2100
2110
2120
2130
2140
2150
2160
2200
2300
2400
2500
2600
2700
3000
4000
January
February
March
April
May
June
July
August
September
October
November
December
--
starts at 2047-12-30
