n: 40 m: 137 packed: 13 density: 0 nodes: 0 solveTime: 180 buildTime: 10 solved: true
{0,24,26}
{1,18,20}
{2,5,9}
{3,23,31}
{4,6,27}
{7,10,19}
{8,29,35}
{11,22,39}
{12,28,37}
{13,36,38}
{14,16,33}
{15,25,34}
{17,30,32}