n: 40 m: 269 packed: 13 density: 0 nodes: 0 solveTime: 3510 buildTime: 50 solved: true
{0,22,32}
{1,10,26}
{2,36,37}
{3,21,23}
{4,17,24}
{5,7,27}
{6,9,15}
{8,14,30}
{11,19,20}
{12,16,38}
{13,33,35}
{25,31,39}
{28,29,34}