n: 40 m: 318 packed: 13 density: 0 nodes: 0 solveTime: 3710 buildTime: 60 solved: true
{0,28,39}
{1,8,18}
{2,9,20}
{3,10,14}
{4,11,25}
{5,13,37}
{6,19,36}
{7,22,38}
{12,26,30}
{15,27,33}
{17,29,34}
{21,23,31}
{24,32,35}