TruthTable.txt

Switch   Switch   Switch   Switch   LED   LED   
   0          0          0          0         0  0
   0          0          0          1         0  0
   0          0          1          0         0  0
   0          0          1          1         0  0
   0          1          0          0         1  1
   0          1          0          1         1  0
   0          1          1          0         1  0
   0          1          1          1         1  1
   1          0          0          0         1  1
   1          0          0          1         1  0
   1          0          1          0         1  0
   1          0          1          1         1  1
   1          1          0          0         0  0
   1          1          0          1         0  0
   1          1          1          0         0  0
   1          1          1          1         0  0