n: 40 m: 533 packed: 13 density: 0 nodes: 0 solveTime: 22950 buildTime: 170 solved: true
{0,15,31}
{1,16,34}
{2,24,37}
{3,27,38}
{4,30,32}
{5,12,14}
{6,17,21}
{7,19,25}
{8,22,35}
{9,10,23}
{11,20,33}
{13,18,26}
{29,36,39}