n: 40 m: 158 packed: 13 density: 0 nodes: 0 solveTime: 14450 buildTime: 10 solved: true
{0,7,9}
{1,23,28}
{2,4,14}
{3,10,15}
{5,16,36}
{6,20,33}
{8,27,35}
{11,17,26}
{12,29,34}
{13,24,30}
{18,21,25}
{19,31,38}
{22,32,37}