turn 1 switch on for 10 mins then off
$ F9 M6 n2 _% e' K0 R% D2 mturn another 1 on then go to the other housetvb now,tvbnow,bttvb4 a) y, V6 n5 W' T T# M+ _
; [; P8 F; R( K1 T4 U! \+ L1 otvb now,tvbnow,bttvbthe hot light bulb is the first the cold light bulb is the 3rd% n9 q+ `( G% u4 W3 z1 q Y# P
5.39.217.77+ L4 {# [4 e; |6 {0 X: }: ]8 u
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