n: 40 m: 274 packed: 13 density: 0 nodes: 0 solveTime: 3710 buildTime: 40 solved: true
{0,9,10}
{1,32,33}
{2,12,29}
{3,21,26}
{4,25,37}
{5,17,28}
{6,22,27}
{7,8,34}
{11,16,24}
{14,18,19}
{15,23,31}
{20,35,39}
{30,36,38}