n: 40 m: 493 packed: 13 density: 0 nodes: 0 solveTime: 18920 buildTime: 140 solved: true
{0,2,36}
{1,9,37}
{3,13,26}
{4,5,16}
{6,10,14}
{7,8,27}
{11,22,38}
{12,19,33}
{15,17,21}
{18,28,32}
{23,24,35}
{25,34,39}
{29,30,31}