n: 40 m: 272 packed: 13 density: 0 nodes: 0 solveTime: 2010 buildTime: 50 solved: true
{0,17,24}
{1,22,31}
{2,37,39}
{3,18,20}
{4,5,14}
{6,19,36}
{8,12,35}
{9,16,32}
{10,30,38}
{11,13,25}
{15,28,34}
{21,26,33}
{23,27,29}