Invented by nikoli ,with the title "chocona".
Rules: Shade some cells to form various areas of shaded cells.The areas can only be rectanglar in shape.Numbers inside the outlined regions indicate how many cells in that region will be shaded.If there is no number,any number of cells can be shaded.
Edit: Edited to correct ambiguity in bottom half.
I think you dropped a rule. There are a bunch of solutions right now. But if I add the rule "all unshaded cells must be connected," I get a single answer.
ReplyDeleteNo,there were a few in the bottom-half.
ReplyDeleteStill off. For example, the piece in R89C78 can take any of three configurations.
ReplyDeleteDont think so yet.Please show your answer.
ReplyDeleteX.XXXX.XX.
ReplyDelete.......XX.
XXX//X.XX.
XXX//X.XX.
XXX//X...X
.../././/.
.XX.//X//X
...X.X//X/
XX.X...///
XX.X.XX///
I count 9 possible solutions.
X.XXXX.XX.
.......XX.
XXX.XX.XX.
XXX.XX.XX.
XXX.XX...X
...X......
.XX..XXXXX
...X.XXXXX
XX.X......
XX.X.XX///
3 solutions
X.XXXX.XX.
.......XX.
XXX.XX.XX.
XXX.XX.XX.
XXX.XX...X
...X...X/.
.XX..XX./X
...X.XX.X/
XX.X...X./
XX.X.XX.//
5 solutions
X.XXXX.XX.
.......XX.
XXXX.X.XX.
XXXX.X.XX.
XXXX.X...X
.....X.XX.
.XX.X.X..X
...X.X.XX.
XX.X...XX.
XX.X.XX..X
1 solution
Sorry about that.the last one you showed me was my path.I missed the alternate configuration in the middle.
ReplyDelete