n: 40 m: 164 packed: 13 density: 0 nodes: 0 solveTime: 380 buildTime: 10 solved: true
{0,18,26}
{1,22,37}
{2,5,27}
{3,16,20}
{4,10,19}
{6,14,34}
{7,30,35}
{8,17,25}
{9,12,15}
{11,31,32}
{13,24,36}
{21,29,39}
{23,28,38}