UllaE - 2017-10-14 6:46 PM
15,16 Maximal Archipelago
Having R6C2 as sea and R7C1 + R7C3 as land and everything else as in example solution - would that be viable solution? If not, please explain why.
It wouldn't because then there is no case within a and b where the given Sea cell in R4C4 has to be a Sea cell.