n: 40 m: 433 packed: 13 density: 0 nodes: 0 solveTime: 11080 buildTime: 110 solved: true
{0,21,37}
{1,18,36}
{2,5,22}
{3,6,17}
{4,13,14}
{7,25,26}
{8,30,31}
{9,10,27}
{11,24,33}
{12,15,16}
{20,32,39}
{23,29,34}
{28,35,38}