fail=x0x0, good=x0x0, en=0 at 1 fail=0000, good=0000, en=0 at 2 fail=0000, good=0000, en=1 at 11 fail=0101, good=0101, en=1 at 12 fail=1010, good=1010, en=0 at 31 fail=0000, good=0000, en=0 at 32