n: 40 m: 241 packed: 13 density: 0 nodes: 0 solveTime: 3600 buildTime: 30 solved: true
{0,4,25}
{1,5,21}
{2,28,32}
{3,9,38}
{6,24,36}
{7,18,35}
{8,13,17}
{10,29,30}
{11,15,20}
{12,16,19}
{14,31,37}
{22,23,27}
{26,33,39}