n: 40 m: 349 packed: 13 density: 0 nodes: 0 solveTime: 7680 buildTime: 70 solved: true
{0,21,29}
{1,12,23}
{2,7,17}
{3,5,6}
{4,33,39}
{8,22,34}
{9,18,28}
{10,19,31}
{11,32,38}
{13,26,36}
{14,27,30}
{15,20,24}
{16,25,37}