turn 1 switch on for 10 mins then off$ j; [1 K1 E, H5 A; f `
turn another 1 on then go to the other house
: ^) w, i, K1 o, E) `: g3 D/ Qtvb now,tvbnow,bttvb M# A% O! ~( U1 x% d) W* X- y- L$ P
the hot light bulb is the first the cold light bulb is the 3rd |