This puzzle I created for 10th 24 hour Championship
This puzzle type also appeared in the following championships
Oguz Atay Puzzle Contest (OAPC)
Fill the grid with digits 1 to 5 so that no digit is repeated in each row or column. Additionally, exactly two squares in each row and column should be blackened. Numbers outside the grid indicate the total of cells between the blackened squares in the corresponding row/column.