n: 40 m: 186 packed: 13 density: 0 nodes: 0 solveTime: 400 buildTime: 40 solved: true
{0,9,15}
{1,7,37}
{2,11,25}
{3,8,33}
{4,6,18}
{5,35,39}
{10,24,27}
{12,19,26}
{13,28,31}
{14,34,36}
{17,20,23}
{21,29,38}
{22,30,32}