n: 40 m: 192 packed: 13 density: 0 nodes: 0 solveTime: 660 buildTime: 20 solved: true
{0,16,25}
{1,26,38}
{2,24,35}
{3,8,19}
{4,17,27}
{5,10,28}
{6,7,30}
{9,18,21}
{11,20,31}
{12,14,37}
{13,22,23}
{15,32,34}
{33,36,39}