For Pi alone the new maximum is 436 just over 300 terms further on.
Note I kept saying continue.

Bigtone53 wrote:My yellow rationale does not sound great. I was distracted by the guy who came up with the 355/133, who lived in the Yangtze (yellow river) region.
udosuk wrote:But the Yangtze River (aka Long River, Changjiang) and the Yellow River (aka Huanghe) are 2 different rivers.
Bigtone53 wrote:Roadrunner?
hobiwan wrote:Can it have something to do with the fact, that the sudoku needs a quadruple in the solution?
Bigtone wrote:... aaah, but is this a sudoku or just an array of numbers? We have been caught out earlier in this chain on this point!