n: 40 m: 261 packed: 13 density: 0 nodes: 0 solveTime: 1850 buildTime: 40 solved: true
{0,19,22}
{1,30,39}
{2,13,31}
{3,25,27}
{4,21,29}
{5,20,35}
{6,33,36}
{7,10,32}
{8,12,26}
{9,18,38}
{14,15,16}
{17,34,37}
{23,24,28}