>ERASE_ALL
>LOAD step1
$now run simulation.py data1.dat data2.dat
$now run simulation_complete.py
>LOAD step2
$now run simulation.py data1.dat data2.dat
$now restore 1
$now run simulation.py data2.dat data1.dat
>LOAD step3
$now restore 3
$now run simulation.py data1.dat data2.dat
>LOAD step3
$now run simulation.py data1.dat data2.dat
$now run simulation_complete.py
>LOAD step1
$now run simulation.py data1.dat data2.dat