Done

Done, no green.

Unlike - think I get what you're saying. Will try it with the two options for 3 in the top middle.

Start

Still leaves options in middle left and bottom left so I don't see how that works

Done

start todays

ding

done

Phil -- bottom right (provided you've filled in everything possible up to the chokepoint) is the block where either of the initial positions for a 3 in upper middle results in the same position for a 3.

Not so easy, maybe. I used a loner-of-five, off a double virtual.

go

later

go

done

Oh, what a difference a nap makes. I was bogged down, slogging in quicksand, thinking I'd maybe already made a mistake and that it was impossible. Then, after a nap, boda-bing boda-boom, finished, no green, no guess.

go

dong, ng 1 interruption