magnet1#1
cave
BOX
iron
-150 -500 -500
-150  500 -500
 150  500 -500
 150 -500 -500
-150 -500 500
-150  500 500
 150  500 500
 150 -500 500
-650. 0. 4000.
1.  0.  0.  0.  1.  0.  0.  0.  1.
//#######
magnet1#2
cave 
650. 0. 4000.
1.  0.  0.  0.  1.  0.  0.  0.  1.
//#######
magnet2#1
cave
BOX
iron
-800 -150 -500
-800  150 -500
 800  150 -500
 800 -150 -500
-800 -150 500
-800  150 500
 800  150 500
 800 -150 500
0. -650. 4000.
1.  0.  0.  0.  1.  0.  0.  0.  1.
//#######
magnet2#2
cave
0. 650. 4000.
1.  0.  0.  0.  1.  0.  0.  0.  1.