Coordinate X: Y: Search

31 40 31 41 31 42 31 43 31 44 31 45 31 46 31 47 31 48 31 49 31 50 31 51 31 52 31 53 31 54 31 55 31 56 31 57 31 58 31 59 31 60 31 61 31 62 31 63 31 64 31 65 31 66 31 67 31 68 31 69 31 70 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984

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