instance |  roundup | B&C  |   LP   | OPT |
---------|----------|------|--------|-----|
small    |       48 |  47  |  46.25 |  *  |
small1   |       29 |  28  |  26.58 |     |
small2   |       16 |  15  |  12.57 |     |
big      |      302 | 283  | 282.42 |  *  |
big1     |      171 | 158  | 146.54 |     |

