Place the digits 1-N in the grid such that each digit appears exactly once in each row, column and marked S×T box. The cells containing digits form a connected region of the grid, not containing any 2×2 block of cells. The remaining cells are shaded islands, whose sizes are given. Each island is clued in the grid.Previously, N has equalled 5, and S and T have both been 3. Here’s a little recap in case you were wondering how that looks practically.
#079 Sudoku Islands – rated mediumThis example ramps up N to 7, and S and T have become 4 and 3. 12×12 classic Sudoku puzzles are something of a drag; I’ve intentionally made this one fairly difficult, although I’m not quite sure whether this size again makes things a little bit fiddly. Let me know what you think!
#080 Sudoku Islands – rated hardAll puzzles © Tom Collyer 2009-10