Friday puzzles: mochikoro
Puzzle 1
1107 Mochikoro 10×10 RS 18-09-15
Blacken some cells in order to form rectangular areas of white cells. No two areas share an edge, but all areas are interconnected through their corners. All numbered cells are part of a white area, but not all white areas have a number. The number indicates the amount of white cells in that area, including the cell with the number. Blackened 2×2 areas are not allowed.