Rules: In addition to regular Fillomino rules, every region must be in the shape of a unit-width L (as in Sashigane). The unit-width L-shaped polyominoes are exactly the ones formed by removing an by
block from an
by
rectangle for some positive integers
and
.
Example:
[Solution]
This variant was invented by Brian Chen (betaveros). His first two Sashigane Fillomino puzzles can be found here and here.