n: 40 m: 424 packed: 13 density: 0 nodes: 0 solveTime: 8670 buildTime: 110 solved: true
{0,2,3}
{1,6,19}
{4,16,35}
{5,15,34}
{7,37,38}
{8,18,27}
{9,17,21}
{10,29,30}
{11,22,24}
{12,13,23}
{14,36,39}
{20,26,33}
{25,28,32}