n: 40 m: 539 packed: 13 density: 0 nodes: 0 solveTime: 8930 buildTime: 180 solved: true
{0,2,4}
{1,25,27}
{3,7,26}
{5,24,28}
{6,31,36}
{8,14,33}
{9,17,34}
{10,16,18}
{11,19,22}
{12,15,39}
{13,29,35}
{20,30,37}
{21,23,38}