/tracking/verbose 1
/run/verbose 1
/run/initialize
/gun/particle geantino
/gun/position  600  600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
/gun/position -600  600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
/gun/position -600 -600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
/gun/position  600 -600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
/geom/switch assembly
/run/initialize
/gun/position  600  600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
/gun/position -600  600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
/gun/position -600 -600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
/gun/position  600 -600 -601 mm
/gun/direction 0      0    1
/run/beamOn 1
exit