      1000      1000      1000
         0         0         0
         1         0         0
         1         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0

      2000      2000      2000
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0

         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0

      3000      3000      3000
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0

      4000      4000      4000
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0
         0         0         0

