n: 40 m: 665 packed: 13 density: 0 nodes: 0 solveTime: 107230 buildTime: 260 solved: true
{0,10,34}
{1,23,36}
{2,27,38}
{3,11,22}
{4,9,20}
{5,16,30}
{6,12,29}
{8,13,17}
{14,21,31}
{15,25,32}
{18,26,28}
{19,24,33}
{35,37,39}