n: 40 m: 569 packed: 13 density: 0 nodes: 0 solveTime: 50470 buildTime: 180 solved: true
{0,15,36}
{1,3,4}
{2,7,22}
{5,13,17}
{6,30,34}
{8,23,24}
{9,16,19}
{10,29,32}
{11,25,28}
{12,18,39}
{14,27,38}
{21,26,33}
{31,35,37}