cam ccd enclosed_prob
1 2 0.357
1 3 0.0719
2 3 0.00347
1 1 0.000481
1 4 0.000152
2 4 1.83e-05
2 2 6.86e-08
4 4 0
4 3 0
4 2 0
4 1 0
3 4 0
3 3 0
3 2 0
3 1 0
2 1 0
total enclosed prob: 0.433