Four Directions Yajilin Insturctions

Rules: The challenge is to draw a single, closed loop and shade some cells, subject to the following rules:

1. Numbered cells indicate the amount of shaded cells in the corresponding row and column.
2. Shaded cells cannot touch horizontally or vertically but may touch diagonally.
3. All remaining white cells should be traversed by a single closed loop, with no branches and which doesn't cross itself.