n: 40 m: 358 packed: 13 density: 0 nodes: 0 solveTime: 3940 buildTime: 80 solved: true
{0,26,28}
{1,24,25}
{2,7,27}
{3,22,35}
{4,37,38}
{5,9,10}
{6,8,34}
{11,20,31}
{12,13,17}
{14,19,36}
{15,18,39}
{16,23,33}
{21,29,30}