Pata Instructions

Rules: The challenge is to shade some cells, subject to the following rules:

1. All shaded cells must eventually connect, but must not form 2x2 areas.
2. Numbers on some cells indicate the number of consecutive unshaded cells around that cell, if there is more than one number then there must be at least one black cell between the unshaded regions, "?" is wild and can stand for any number between 1 and 8.
3. Cells with numbers can never be shaded.