n: 40 m: 558 packed: 13 density: 0 nodes: 0 solveTime: 13770 buildTime: 190 solved: true
{0,1,6}
{2,22,23}
{3,24,30}
{4,10,26}
{5,13,32}
{7,11,27}
{8,12,17}
{14,16,20}
{15,34,35}
{18,38,39}
{19,29,33}
{21,31,36}
{25,28,37}