n: 40 m: 461 packed: 13 density: 0 nodes: 0 solveTime: 12680 buildTime: 120 solved: true
{0,16,30}
{1,2,7}
{3,25,37}
{4,6,11}
{5,22,34}
{8,17,23}
{9,13,14}
{10,15,20}
{12,19,39}
{18,33,38}
{21,29,36}
{24,27,31}
{26,32,35}