n: 40 m: 517 packed: 13 density: 0 nodes: 0 solveTime: 75940 buildTime: 160 solved: true
{0,3,30}
{1,8,11}
{2,9,16}
{5,12,22}
{6,15,33}
{7,10,26}
{13,34,37}
{14,18,35}
{17,36,38}
{19,25,27}
{20,28,39}
{21,23,31}
{24,29,32}