Coordinate X: Y: Search

40 7 40 8 40 9 41 0 41 1 41 2 41 3 41 4 41 5 41 6 41 7 41 8 41 9 42 0 42 1 42 2 42 3 42 4 42 5 42 6 42 7 42 8 42 9 43 0 43 1 43 2 43 3 43 4 43 5 43 6 43 7 1948 1947 1946 1945 1944 1943 1942 1941 1940 1939 1938 1937 1936 1935 1934 1933

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