Coordinate X: Y: Search

50 40 50 41 50 42 50 43 50 44 50 45 50 46 50 47 50 48 50 49 50 50 50 51 50 52 50 53 50 54 50 55 50 56 50 57 50 58 50 59 50 60 50 61 50 62 50 63 50 64 50 65 50 66 50 67 50 68 50 69 50 70 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