Coordinate X: Y: Search

90 10 90 11 90 12 90 13 90 14 90 15 90 16 90 17 90 18 90 19 90 20 90 21 90 22 90 23 90 24 90 25 90 26 90 27 90 28 90 29 90 30 90 31 90 32 90 33 90 34 90 35 90 36 90 37 90 38 90 39 90 40 1939 1938 1937 1936 1935 1934 1933 1932 1931 1930 1929 1928 1927 1926 1925 1924

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid