cover 25
{generating cover...}
{reading tiles...}
optimize_tiling {}
25 tiles give initial coverage 0.083679
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.839242
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.971681
coverage 0.971681
+--> 1
cover 17
{generating cover...}
{reading tiles...}
optimize_tiling {}
17 tiles give initial coverage 0.063771
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.737783
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.935590
coverage 0.935590
+--> 1
cover 13
{generating cover...}
{reading tiles...}
optimize_tiling {}
13 tiles give initial coverage 0.048440
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.708080
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.797083
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.796870
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.797402
coverage 0.797083
+--> 0
cover 15
{generating cover...}
{reading tiles...}
optimize_tiling {}
15 tiles give initial coverage 0.053125
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.735228
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.894922
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.892686
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.895880
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.896519
relaxMargin 1.25
|  improve_tiling {}
|  +--> 0.896625
coverage 0.895880
+--> 0
cover 16
{generating cover...}
{reading tiles...}
optimize_tiling {}
16 tiles give initial coverage 0.057703
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.738316
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.922389
coverage 0.922389
+--> 1
optimize_tiling {}
16 tiles give initial coverage 0.895561
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.930054
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.931012
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.932184
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.932077
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.932396
coverage 0.932184
+--> 0
16 tiles gives coverage 0.932396
16 tiles gives desired coverage
