Jeff wrote:Bob Hanson wrote:...without almost-locked sets (includes multicoloring, I think!)......:
You sound unsure about the 2 turbot fish eliminations. I think your 3D-medusa would have picked them up. My understanding is that the deductions from 3D-medusa are same as those from advanced colouring and simple nice loops of bilocation/bivalue plot. These deductions are double implication chains including turbot fish or x-cycle.
It did pick them up -- just not all in one pass. I believe the coloring
examples I've seen also take several passes -- updating the marks and
trying again. The original post from me was just for one PASS -- one
look at that configuration in order to find everything it could. After
updating the configuration -- same, I think as coloring would do -- it
found everything that coloring did.
3D Medusa without almost-locked set analysis should equate to advanced coloring, and does by this measure.
