n: 40 m: 243 packed: 13 density: 0 nodes: 0 solveTime: 690 buildTime: 40 solved: true
{0,9,19}
{1,31,38}
{2,14,24}
{3,34,39}
{4,5,25}
{6,23,32}
{7,16,21}
{10,22,35}
{11,15,28}
{12,18,37}
{13,17,36}
{20,29,30}
{26,27,33}