1 min - numbers to avoid:
1.3.4.7.14.16.19.22.23.25.29.32.33.37.38.42.44.46. 47.48.50.55.57.59.61.66.81.88.92.96
1.3.4.7.14.16.19.22.23.25.29.32.33.37.38.42.44.46. 47.48.50.55.57.59.61.66.81.88.92.96
You would probably need a drill and small bit just under the size of the screw.
Shouldn't be too hard.