Ntakacho fanya ni ku-asign majina yeyote to the switches, lets say "x","y" and "z" .
Then wakati bado nikiwa nje ntaiwasha switch "X" for a very long time, lets say 5 minutes na switch "Z" sitaiwasha kabisa then switch "Y" nitaiwasha one minute or less kabla ya kuingia.
Nikiingia kule ndani...