n: 40 m: 452 packed: 13 density: 0 nodes: 0 solveTime: 6490 buildTime: 120 solved: true
{0,4,22}
{2,5,39}
{3,6,28}
{7,32,35}
{8,29,34}
{9,11,19}
{10,15,33}
{12,23,25}
{13,16,30}
{14,18,31}
{17,26,27}
{20,21,24}
{36,37,38}