n: 40 m: 166 packed: 13 density: 0 nodes: 0 solveTime: 1040 buildTime: 20 solved: true
{0,25,33}
{1,9,19}
{2,21,39}
{3,10,36}
{4,22,30}
{5,18,26}
{6,24,37}
{7,17,34}
{8,12,23}
{11,15,27}
{13,16,29}
{14,31,38}
{20,32,35}