Steps to reproduce:

1. Launch the HelloTableView app and select Multiple Cells option
2. select the first cell
3. select all cells in the first row by using SHIFT-RIGHT
4. on the last cell press SHIFT-DOWN twice to select last cells on the 2nd and 3rd row
5. select all cells on the third row by using SHIFT-LEFT
6. press SHIFT-UP twice

RESULT: first cell on the second row is not selected
EXPECTED RESULT: first cell on the first row is not selected