0 out=x,in=0,w1=x,w2=x
         2 out=x,in=0,w1=0,w2=x
         5 out=z,in=0,w1=0,w2=1
       100 out=z,in=1,w1=0,w2=1
       101 out=z,in=1,w1=1,w2=1
       105 out=1,in=1,w1=1,w2=0
       111 out=0,in=1,w1=1,w2=0
       200 out=0,in=x,w1=1,w2=0
       201 out=0,in=x,w1=x,w2=0
       204 out=0,in=x,w1=x,w2=x
       205 out=x,in=x,w1=x,w2=x
       300 out=x,in=z,w1=x,w2=x