0 d=0, clk=0, set=0, clr=0, q=x
                  10 d=1, clk=0, set=0, clr=0, q=x
                  20 d=1, clk=0, set=1, clr=0, q=x
                  24 d=1, clk=0, set=1, clr=0, q=1
                  30 d=1, clk=0, set=0, clr=0, q=1
                  40 d=1, clk=0, set=0, clr=1, q=1
                  43 d=1, clk=0, set=0, clr=1, q=0
                  50 d=1, clk=0, set=0, clr=0, q=0
                  60 d=1, clk=1, set=0, clr=0, q=0
                  66 d=1, clk=1, set=0, clr=0, q=1
                  70 d=0, clk=1, set=0, clr=0, q=1