n: 40 m: 533 packed: 13 density: 0 nodes: 0 solveTime: 15120 buildTime: 170 solved: true
{0,3,4}
{2,28,31}
{5,6,27}
{7,24,32}
{8,15,26}
{9,29,37}
{10,13,23}
{11,18,35}
{12,17,39}
{14,16,30}
{19,22,33}
{20,21,38}
{25,34,36}