n: 40 m: 436 packed: 13 density: 0 nodes: 0 solveTime: 12720 buildTime: 110 solved: true
{0,9,22}
{1,2,8}
{3,27,34}
{4,5,26}
{6,7,15}
{10,29,30}
{11,18,38}
{12,16,37}
{13,23,36}
{17,20,28}
{19,33,35}
{21,25,31}
{24,32,39}