cover 12
{generating cover...}
{reading tiles...}
optimize_tiling {}
12 tiles give initial coverage 0.946076
coverage 0.946076
+--> 1
cover 8
{generating cover...}
{reading tiles...}
optimize_tiling {}
8 tiles give initial coverage 0.885652
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.928984
coverage 0.928984
+--> 1
cover 6
{generating cover...}
{reading tiles...}
optimize_tiling {}
6 tiles give initial coverage 0.686567
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.822581
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.831006
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.832932
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.832451
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.833173
coverage 0.832932
+--> 0
cover 7
{generating cover...}
{reading tiles...}
optimize_tiling {}
7 tiles give initial coverage 0.805489
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.911651
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.917910
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.922003
coverage 0.922003
+--> 1
optimize_tiling {}
7 tiles give initial coverage 0.906355
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.921762
relaxMargin 2.0
|  improve_tiling {}
|  +--> 0.922484
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.923207
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.924169
relaxMargin 1.5
|  improve_tiling {}
|  +--> 0.923688
relaxMargin 1.25
|  improve_tiling {}
|  +--> 0.924169
coverage 0.924169
+--> 0
7 tiles gives coverage 0.923929
7 tiles gives desired coverage
