n: 40 m: 462 packed: 13 density: 0 nodes: 0 solveTime: 14330 buildTime: 130 solved: true
{0,15,39}
{1,31,37}
{2,34,35}
{3,24,27}
{4,19,36}
{5,8,17}
{6,26,29}
{7,23,32}
{9,10,20}
{11,16,22}
{12,13,28}
{18,25,33}
{21,30,38}