n: 40 m: 545 packed: 13 density: 0 nodes: 0 solveTime: 18080 buildTime: 170 solved: true
{0,10,26}
{1,4,12}
{2,5,35}
{6,7,9}
{8,15,16}
{11,34,37}
{13,24,38}
{14,27,36}
{17,18,25}
{19,22,30}
{20,32,39}
{21,28,31}
{23,29,33}