dut[00] = 0
dut[01] = 1
dut[02] = 0
dut[03] = 1
dut[04] = 0
dut[05] = 1
dut[06] = 0
dut[07] = 1
dut[08] = 1
dut[09] = 0
dut[0a] = 1
dut[0b] = 0
dut[0c] = 1
dut[0d] = 0
dut[0e] = 1
dut[0f] = 0