n: 40 m: 513 packed: 13 density: 0 nodes: 0 solveTime: 17700 buildTime: 160 solved: true
{0,19,32}
{1,6,14}
{2,26,35}
{3,17,18}
{4,5,9}
{7,28,39}
{8,16,24}
{10,21,31}
{11,23,38}
{12,34,36}
{13,29,37}
{15,20,33}
{22,27,30}